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December 18, 2014

Search: How much energy is needed to ionize a hydrogen atom in the n = 5 state

Number of results: 48,675

chem
How much energy is required to ionize a hydrogen atom in its ground (or lowest energy) state? What wavelength of light contains enough energy in a single photon to ionize a hydrogen atom?
October 27, 2008 by natash

chem
According to the Bohr theory of the hydrogen atom, what is the minimum energy (in J) needed to ionize a hydrogen atom from the n = 2 state?
September 5, 2010 by ryan

college chemistry
According to the Bohr theory of the hydrogen atom, what is the minimum energy (in J) needed to ionize a hydrogen atom from the n = 2 state?
September 5, 2010 by ryan

physics
The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. The diameter of the atom is proportional to n2, where n = 1 labels the lowest, or "ground" state, n = 2 is the second state, n = 3 is the third state, and so on. If the atom's ...
August 4, 2011 by stacy

Physics
The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. The diameter of the atom is proportional to n^2, where n=1 labels the lowest or "ground" state, n=3 is the thrid state, and so on. If the atom's diameter is 1 x 10^(-10)m in its ...
November 16, 2009 by Lauren

physics
The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. The diameter of the atom is proportional to n2, where n=1 labels the lowest, or “ground” state, n=3 is the third state, and so on. If the atom’s diameter is 1x10-10m in its lowest ...
November 6, 2007 by Will

Physics
The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. The diameter of the atom is proportional to n2, where n=1 labels the lowest or “ground” state, n=3 is the third state, and so on. If the atom’s diameter is 1x10-10m in its lowest ...
July 1, 2010 by Richard

Physics
What wavelength photon would be required to ionize a hydrogen atom in the ground state and give the ejected electron a kinetic energy of 13.1 eV? I tried ryhdberg's equation and E=hf. Need help. Thanks
March 24, 2008 by Samantha Farha

Physics
Can someone help me with this, i have started it but cant get it to work out. The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. The diameter of the atom is proportional to n2, where n=1 labels the lowest, or “ground” state, n=3 is ...
November 10, 2007 by Aaron

Physics
Could someone help me with these questions. . . please 1. How does Rutherford’s model of the atom account for the back – scattering of alpha particles directed at the gold leaf 2. The higher the energy level occupied by an electron in the hydrogen atom, the larger the atom. ...
November 12, 2007 by Mike

Physics
Q: From the Bohr model of the Hydrogen atom, calculate the minimum amount of energy (in eV) an electron in the lowest orbital would need to free it from its proton (i.e., to ionize the atom). A: would I use the equation: En = - 13.6 / (n^2) ? If so, an an electron in its ...
May 26, 2009 by Tracey

Chemistry
Calculate the energy, in joules required to ionize a hydrogen atom when its electron is initially in the n=2 energy level.
October 22, 2011 by Anonymous

chemistry
Experimentally the ionization energy of hydrogen is 1312.2 kJ / mol. What would be the wavelength (nm) of a photon with enough energy to ionize one atom of hydrogen? They give the equation E=hcR but those are all known constant values and none include mols so I'm very confused...
November 18, 2014 by Sierra

Chemistry
An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are true? Correct the false statements to make them true. A. It takes more energy to ionize (completely remove) the electron from n=3 than from the ground ...
December 1, 2014 by Anonymous

College Chemistry
In energy terms, ionization of an electron in an atom corresponds to the transition from whatever quantum state the electron is in to an energy of 0 KJ/mole. Calculate the energy in joules needed to remove one electron in the n=1 state from a hydrogen atom. I know En of 1 = -...
April 28, 2010 by Bach

Physics
A hydrogen atom initially in its ground state (n = 1) absorbs a photon and ends up in the state for which n = 3. What is the energy of the absorbed photon? *I found the energy of the atom at the ground state and at n = 3. I subtracted the final from the initial to get a value ...
April 19, 2011 by Joe

physics
In the Sun, an ionized helium atom makes a transition from n =6 state to the n = 2 state, emitting a photon. Can that photon be absorbed by hydrogen atoms present in the Sun? If so between what energy states will the hydrogen atom jump?
April 19, 2011 by qwer

physics
Please help me answer the question below and also show equations and steps of how you came to your answer. Thank you 1. The electron in a hydrogen tom is in the first excited state, when the electron acquires an additional 2.86eV of energy. What is the quantum number n of the ...
September 10, 2008 by jennifer

Physics
Please help me answer the question below and also show equations and steps of how you came to your answer. Thank you 1. The electron in a hydrogen tom is in the first excited state, when the electron acquires an additional 2.86eV of energy. What is the quantum number n of the ...
September 11, 2008 by Jenny

Physics
A hydrogen atom is in its third excited state (n=4). Using Bohr theory of the atom calculate (a) the radius of the orbit, (b) the linear momentum of the electron, (c) the angular momentum of the electron (d) the kinetic energy (e) the potential energy, and (f) the total energy...
April 28, 2012 by Chi

Chemistry
A line in the Lyman series of the hydrogen atom emission results from the transition of an electron from the n=3 level to the ground state level. a) What n level (#) is the ground state level for the hydrogen atom? b) What is the energy of this photon in Joules?
July 17, 2011 by Ashley

chemistry
the ground stste energy of H- atom is -13.6 eV. the energy needed to ionise H- atom from its second excited state is 1.51 eV 3.4 eV 13.6 eV 12.1 eV
January 19, 2009 by hriday

Chemistry
Astronomers have detected hydrogen atoms in interstellar space in the n=732 energy level. Suppose an atom in this excited state emits of a photon and undergoes a transition from n=732 to n=632. How much energy does the atom lose as a result of this transition? what is the ...
November 29, 2012 by Carice

chemistry
Hi there, I need a little help starting this one. Calculate the energy in joules needed to remove one electron in the n=1 state from a hydrogen atom. I feel like i should apply the wavelength = Nhc/deltaE but I have no idea how to apply this to hydrogen. I appreciate your time!
July 22, 2008 by delany

Chemistry
A line in the Lyman series of the hydrogen atom emission results from the transition of an electron from the n=3 level to the ground state level. a) What n level (#) is the ground state level for the hydrogen atom? b) What is the energy of this photon in Joules? c) What is the...
July 18, 2011 by Ashley

Ap Chemistry
HOw much energy is required to ionize a mole of Hydrogen atoms?
September 8, 2011 by Ivy

physics
Hydrogen atom is initially in the ground state. It is excited by a photon bombardment and it then undergoes a transition from n = 3 to n=2 state. a) What is the frequency of the bombarding photon? b) What are the energy, momentum and the wavelength of the emitted photon? c) ...
April 25, 2011 by qwer

CHEM
The electron from a hydrogen atom drops from an excited state into the ground state. When an electron drops into a lower-energy orbital, energy is released in the form of electromagnetic radiation. Part A: How much energy does the electron have initially in the n=4 excited ...
November 4, 2007 by K

Physics
The energy of the nth excited state of a hydrogen atom is proportional to 100 - (100/n2). 1) Using this formula, calculate the energy of the first five energy states. 2) How many spectral lines are possible for the transition of a photon in the n= 5 state to ground?
April 14, 2008 by CGUFF

physics
In Bohr's model of the hydrogen atom, the radius of an orbit a. is proportional to n2. b. is smallest for the highest energy state. c. increases when a photon of light is emitted from an excited atom. d. can have any value that is larger than the ground-state radius. e. none ...
August 15, 2009 by jeff

chemistry
The electron from a hydrogen atom drops from an excited state into the ground state. When an electron drops into a lower-energy orbital, energy is released in the form of electromagnetic radiation. Part A: How much energy does the electron have initially in the n=4 excited ...
October 25, 2010 by sam

Chemistry
Ionization energy is defined as the minimum energy required to remove an electron from the ground state (n0) to infinity (n∞). Determine the wavelength of radiation required to ionize the hydrogen electron from the n = 2 energy level. Calculate the energy (Joules) ...
October 26, 2009 by Sarah

chemistry
What energy is required to excite a hydrogen atom in its n = 2 state to the n = 3 state ?
August 31, 2011 by jordy

Physics
) The energy of the first excited state of a hydrogen atom is -0.34 eV ± 0.0003 eV. What is the average lifetime of for this state?
February 6, 2014 by Jacob

Physics
The energy of the first excited state of a hydrogen atom is -0.34 eV ± 0.0003 eV. What is the average lifetime of for this state?
February 8, 2014 by Paul

chemistry
Determine the ionization energy of a hydrogen atom (in kJ/mol) if the electron is in its ground state. (Hints: Use the Rydberg equation, remember E=hc for a single H atom, and R=109678x10–2nm )
April 10, 2008 by Un

chemistry
Determine the ionization energy of a hydrogen atom (in kJ/mol) if the electron is in its ground state. (Hints: Use the Rydberg equation, remember E=hc for a single H atom, and R=109678x10–2nm–1 )
January 17, 2010 by Tasha

physics
For a hydrogen atom, determine the ratio of the ionization energy for the n = 3 excited state to the ionization energy for the ground state.
March 31, 2014 by fifi

CHEM
The first excited state of the hydrogen atom is separated from the ground state by 10.2 eV. (a) At what wavelength does this occur and what is the energy difference in kJ mol-1
March 26, 2010 by ABBY

Chemistry
A hydrogen atom electron in an excited state with n = 7 drops to a lower energy state with n = 3. What is the wavelength of the light emitted in this transition
April 18, 2011 by Kamila

chemistry
Consider an electron in the ground state of hydrogen. (a)What is the least amount of energy needed to excite the ground state electron in Joules? (b) Is an electron in the ground state of hydrogen capable of absorbing a photon with energy of 1.38e-18 Joules.
March 23, 2013 by schoolgirl

chemistry
Which statement correctly describes an atom of the element helium? A. An atom of helium has its valence electrons in it's first energy level. B. An atom of helium most similarly behaves like an atom of hydrogen since it is in the same period. C. An atom of helium has a full ...
August 23, 2014 by Yui

Chemistry
1.) The average velocity of Cl(2) molecules is 2.50 x 10^3 m/sec at a temp of 25 C therefore the average velocity of helium atoms is ?? [ i got the answer 5.94 x 10^2 m/Sec is that right] 2.) A gas is allowed to expand from 1.5 : to 12.5 L against a constant pressure of 6.5 ...
March 29, 2009 by Emmanuel

physics
A hydrogen atom is in the 4p state. Determine its energy.
December 8, 2011 by Paige

chemistry
A H atom absorbs a photon with a wavelength of 9.50 × 10^1 nm. If the energy of the final state of the H atom was -8.72 × 10^(-20) J, calculate the energy of the initial state. Express answer in scientific notation
February 3, 2012 by adriana

Chemistry
Last ones: 32. There could be eight electrons in the first energy level.- F? 33. The first energy level can have only one sublevel.- F? 34. When electrons move from a high energy excited state to a low energy ground state, energy is absorbed by the atom.- F? 35. An atom that ...
October 21, 2010 by mysterychicken

chemistry
Q) in the reaction, 210kj of heart energy is used to form 3.0 miles of hydrogen. Calculate how much heat energy is needed to make 1000kg of hydrogen.
December 11, 2014 by hafsa aamir

physics
there is a figure that looks kind of like this: E6--------------------- E= -0.378eV E5--------------------- E= -0.544eV E4--------------------- E= -0.850eV E3--------------------- E= -1.51eV E2--------------------- E= -3.40eV the figure shown above shows the enrgy levels for a...
March 14, 2009 by physics

Chemistry Lab
Determine the ionization energy of a hydrogen atom (in kJ/mol) if the electron is in its ground state. (Hints: Use the Rydberg equation, remember E=hc for a single H atom, and R=109678x10–2nm–1 ) _____ kJ/mol Thanks :)
January 17, 2011 by Shawn Tabrizi

Atomic physics
1)Five possible transitions for a hydrogen atom are listed below: Select whether the atom gains or loses energy for each transition. a. Loses Gains ni = 6; nf = 4 Loses Gains ni = 4; nf = 2 Loses Gains ni = 5; nf = 3 Loses Gains ni = 2; nf = 5 Loses Gains ni = 5; nf = 7 b. ...
April 13, 2008 by Sandhya

Quantum Physics
What is the maximum value of the wavelength of light that will ionize the hydrogen atom? Express your answer in units of nanometers.
April 22, 2013 by qwerty

Chemistry
Calculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. (a) n = 5 n = 4 _________nm (b) n = 5 n = 3 _____________ nm (c) n = 5 n = 2 __________ nm Calculate the maximum wavelength of light capable of removing an electron for...
October 20, 2008 by Giznelbell

chem
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.30 nm. It then gives off a photon having a wavelength of 384 nm. What is the final state of the hydrogen atom? Values for physical constants can be found here.
October 19, 2013 by Anonymous

Chemistry
A ground state hydrogen atom absorbs a photon of light having a wavelength of 94.96 nm. It then gives off a photon having a wavelength of 95 nm. What is the final state of the hydrogen atom? I think I got 5 for an answer, but I am not sure if I did this right or not
October 30, 2013 by Ashley

chem 115
The first ionization energy is the energy necessary to completely remove the outermost electron from an atom. For a Hydrogen atom this energy is 2.18 X 10^-18J. If you were to use a laser to provide this energy, what is the wavelength (in nm) of the light emitted from the laser?
September 23, 2010 by Kelsey

Chemistry
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a wavelength of 2630 nm. What is the final state of the hydrogen atom?
April 1, 2013 by marie darling

chemistry
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a wavelength of 1100 nm. What is the final state of the hydrogen atom
October 2, 2013 by marie

Chemistry
How can I calculate the energy required for the ionization of an electron from the ground state of the hydrogen atom?
November 2, 2011 by Lorry

Chem
A ground state hydrogen atom absorbs a photon of light having a wavelength of 94.96 nm. It then gives off a photon having a wavelength of 95 nm. What is the final state of the hydrogen atom?
October 30, 2013 by Ashley

Chemistry help
A ground state hydrogen atom absorbs a photon of light having a wavelength of 93.77 nm. It then gives off a photon having a wavelength of 94 nm. What is the final state of the hydrogen atom?
February 20, 2014 by Katie

Physics-potential energy
In a classic model, the electron of a hydrogen atom circles the proton at a radius of 0.0529·10−9m when it is in the n=1 state. What is its electric potential energy?
November 3, 2010 by Kristy

CHEM URGENT
Determine the ionization energy of a hydrogen atom (in kJ/mol) if the electron is in its ground state
January 17, 2009 by henry

Atomic physics
5)a. Electrons accelerated by a potential difference of 12.23 V pass through a gas of hydrogen atoms at room temperature. Calculate the wavelength of light emitted with the longest possible wavelength. b. Calculate the wavelength of light emitted with the shortest possible ...
April 14, 2008 by Sandhya

chemistry
Can someone please explain to me how to find the energy released? Given the overall reaction that takes place when hydrogen is burned in a young star, how much energy in MeV is released per He nucleus formed? masses: 1-H atom= 1.007amu 4-He atom= 4.002 amu positron = 5.485e-4 ...
September 19, 2014 by samantha

Chemistry
The first excited state of the hydrogen atom is separated from the ground state by 10.2 eV. (a) At what wavelength does this occur and what is the energy difference in kJ mol-1 between the ground and excited states? Show your working in each case. (b) If the degeneracy of the ...
March 28, 2010 by Hobson

Atomic physics
1)What is the longest wavelength light capable of ionizing a hydrogen atom in the n = 6 state 2)a. Calculate the energy of the electron in the ground state of single ionized helium, which has an atomic number Z = 2. b. Calculate the radius of its ground-state orbit
April 13, 2008 by Sandhya

Physics
The diameter of the atom is proportional to n2, where n = 1 labels the lowest, or "ground" state, n = 2 is the second state, n = 3 is the third state, and so on. If the atom's diameter is 1 multiplied by 10-10 m in its lowest energy state, what is its diameter in state number 46?
April 5, 2013 by Kim

chemistry
help needed in drawing the diagram to show how hydrogen has numerous spectral lines I also need help with this question.... ---------------- ---------------- ---------------- ---------------- ---------------- -------------------- Each line above represents an energy level for ...
February 6, 2007 by ruby

chem
calculate the max wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by the following : n=2 in nm n=4 in nm
December 6, 2007 by mel

Chemistry
24. A quantum is a finite amount of energy gained or lost by an atom.- F? 25. An atom is in an excited state when it has its lowest energy.- F 26. The Bohr model of the atom shows electrons in areas called energy levels.- F? 27. The principal quantum number indicates the main ...
October 21, 2010 by mysterychicken

chemistry
The first ionization energy of a carbon atom is 1.81 aJ. What is the frequency and wavelength, in nanometers, of photons capable of just ionizing carbon atoms? v=______s^(-1) lambda =_____nm Assuming an ionization efficiency of 47.0%, how many such photons are needed to ionize...
April 2, 2013 by Anonymous

chemistry
The first ionization energy of a carbon atom is 1.81 aJ. What is the frequency and wavelength, in nanometers, of photons capable of just ionizing carbon atoms? v=______s^(-1) lambda =_____nm Assuming an ionization efficiency of 47.0%, how many such photons are needed to ionize...
April 2, 2013 by Anonymous

Chemistry!!
Calculate the maximum wavelength of light capable of removing an electron for a hydrogen atom from the energy state characterized by the following when n=4 =__________nm
October 21, 2008 by Giznelbell

Physics HELP!!!
In a classic model, the electron of a hydrogen atom circles the proton at a radius of 0.0529·10−9m when it is in the n=1 state. What is its electric potential energy?
November 1, 2010 by Ryan

physics
In a classic model, the electron of a hydrogen atom circles the proton at a radius of 0.052910−9m when it is in the n=1 state. What is its electric potential energy?
November 5, 2010 by Maree

apcehmistry
A thin metal sheet is composed of Fe and Co How do you ionize Fe to Fe2+ but not ionize Co ? I tiried using the activity series of metals, but Fe is above Co, so anything that would ionize Fe would also ionize Co right? So what JUST ionizes Fe but not Co? Thaak you
March 30, 2010 by Kiki

College Chemistry
I have no idea how to do this problem, and I've been searching through my book for an hour. Help please? An energy of 2.0x10^2 kJ/mol is required to cause a cesium atom on a metal surface to lose an electron. Calculate the longest possible wavelength of light that can ionize a...
October 16, 2011 by Mikaela

Chemistry
Electron exhibiting a particle wavelength of 4.02 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
October 13, 2013 by ss01

Chemistry
Electron exhibiting a particle wavelength of 5.2 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
October 13, 2013 by Chemistry

chemistry
Electron exhibiting a particle wavelength of 6.81 x 10-9 are emitted from hydrogen atoms after interaction with high energy photons. Assuming that the electrons in the hydrogen atom were in their ground state prior to interaction, determine the wavelength of the photon which ...
October 13, 2013 by sigma_pi

chemistry
(a)how much energy in KJ/mol is released when an electron makes a transition from n=5 to n=2 in a hydrogen atom?
May 22, 2013 by hardi

chemistry
The first ionization energy of a hydrogen atom is 2.18 aJ. Assuming the ionization efficiency is 82%, how many such photons are needed to 1.00 * 10^16 atoms?
October 6, 2012 by gine

Physics
The hydrogen atom contains 1 proton and 1 electron. The radius of the proton is approximately 1.0fm femtometers, and the radius of the hydrogen atom is approximately 53 pm (picometers). - Calculate the volume of the nucleus and the volume of the atom for hydrogen. - What ...
October 14, 2014 by Anonymous

Physic
The distance of electron from the nucleus in a hydrogen atom is 5x10^-11m.Estimate the electrical potential energy of atom
December 17, 2014 by Syam

Physic
The distance of electron from the nucleus in a hydrogen atom is 5x10^-11m.Estimate the electrical potential energy of atom
December 17, 2014 by Syam

chemistry
Select all substances with an acceptor atom that can hydrogen bond to a hydrogen atom that is part of a polar covalent bond. I2 diiodine HI hydrogen iodide KrF4 krypton tetrafluoride O2 dioxygen C6H6 benzene HCl hydrogen chloride None
January 22, 2010 by Angel

physics
A monochromatic light beam with energy 204eV is used to excite the Be+3 (H –like atom with Z=4) from its ground state to some excited state m. Neglect the finite nuclear mass correction. a) Find the quantum number m of this excited state. b) Following this transition the...
April 25, 2011 by qwer

physics
A singly ionized helium atom is in the ground state. It absorbs energy and makes a transition to the n = 3 excited state. The ion returns to the ground state by emitting two photons. What are their wavelengths of a lower and higher energy photon?
April 17, 2014 by Anonymous

physics
In the Bohr model of the atom, the ground-state electron in hydrogen has an orbital speed of 2190 km/s.The mass of an electron is 9.11×10−31kg. What is its kinetic energy?
May 2, 2014 by Anonymous

chemistry
For the hydrogen atom where Rh=2.18*10^-18 J, the wavelength of the transition from the ground state to the n=3 state is_____?
December 4, 2012 by chironjit

Chem
From the information below, identify element X. a. The wavelength of the radio waves sent by an FM station broadcasting at 97.1 MHz is 30.0 million (3.00 X lo7) times greater than the wavelength corresponding to the energy difference between a particular excited state of the ...
March 29, 2007 by Dianne

chemistry
When will hydrogen bonding occur?Give an example of liquid other than H2O in which this type of force is important. In order for a hydrogen bond to occur there must be both a hydrogen donor and an acceptor present. The donor in a hydrogen bond is the atom to which the hydrogen...
October 5, 2012 by tracy

physics
A hydrogen atom is in its n = 6 excited state. Determine, according to quantum mechanics, each of the following: (a) The total energy =eV (b) The magnitude of the maximum angular momentum the electron can have in this state =J s (c) The maximum value that the z component of ...
December 1, 2006 by MIke

physics
A hydrogen atom is in its n = 6 excited state. Determine, according to quantum mechanics, each of the following: (a) The total energy =eV (b) The magnitude of the maximum angular momentum the electron can have in this state =J s (c) The maximum value that the z component of ...
December 2, 2006 by MIke

Science Help!
When two hydrogen atoms bond with one oxygen atom to form water, what happens to the electrons? A. Each hydrogen atom donates its electron to the oxygen atom B. The oxygen atom donates an electron to each hydrigen atom C. A pair of electrons is shared at each of the hydrogen-...
November 12, 2014 by Callie

Chemistry
Please help i don't get the answer. How much energy, in kilojoules per mole, is released when an electron makes a transition from n=5 to n=2 in an hydrogen atom?
November 1, 2011 by Lorry

chemistry
Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 4 state to the n = 3 state.
March 23, 2010 by Tanisha

electrons in atoms
What is the wavelength of the emitted photon, when the electron in the hydrogen atom makes a transition from the ni = 5 state to the nf = 3 state?
May 22, 2011 by Beth

Chemistry
The term degeneracy means the number of different quantum states of an atom or molecule having the same energy. For example, the degeneracy of the n = 2 level of the hydrogen atom is 4 (a 2s quantum state, and three different 2p states). What is the degeneracy of the n = 1 level?
June 14, 2011 by Lance

Chem
It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy for an atom of hydrogen, making the assumption that ionization is the transition from n=1 to n=infinity. I don't know how to solve this problem. A. -2.18 x ...
March 6, 2014 by Jeimmy Vinueza

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