Sunday
April 20, 2014

Search: chemistry - ionization energy(check + help)

Number of results: 149,477

chemistry - ionization energy(check + help)
I need help understanding by boron does not follow the ionization trend across the period is lower than the first two elements in the same period, where as it should be higher. has it got to do with the p block having an electron, which makes it easier to remove the electron ...
Wednesday, June 8, 2011 at 4:24am by Farah

chemistry final-urgent
Choose the element with the highest ionization energy element: Na, Mg, Al, P, S In my book: ionization energy increase from left to right and bottom to top. Na<Mg<Al<P<S S is highest ionization energy? my instructor review this problem and his answer is P is a ...
Tuesday, December 14, 2010 at 6:55am by lianne

Chemistry
Suppose that a PES experiment is performed in which mercury vapor is irradiated with ultraviolet light of wavelength 58.4 nm. Energy of a photon of this light is 21.2 eV. Write an equation that shows the process corresponding to the first ionization energy of Hg. the kinetic ...
Monday, April 5, 2010 at 5:55pm by Jerica

chemistry
i have no idea how ionization works, yet i have to do a worksheet on it! help! how does ionization, and how do you tell which element has a higher ionization energy in relation to another? PLZ ANSWER SOON! I NEED HELP!
Sunday, October 26, 2008 at 1:39pm by Natilie

chemistry - ionization energy(check + help)
yes.
Wednesday, June 8, 2011 at 4:24am by bobpursley

chemistry
Ionization is the removal of an electron from an atom. Nonmetals have higher ionization energies than metals since it is harder to remove an electron from a nonmetallic atom. When you compare elements on the same row (period) of the periodic table, the one farther to the right...
Sunday, October 26, 2008 at 1:39pm by GK

Chemistry
why does inoinzation energy tend to decrease from top to bottom within a group? i'm not sure, but i think it has something to do with the size of the element The electrons involved in ionization, that is, the outermost electrons, are farther away from the nucleus, and are held...
Tuesday, October 31, 2006 at 7:58pm by Mark

CHEMISTRY (ionization energy)
find the ionization energy of I-, I, and I+ I know you have to use E= hc/lambda, and c=lambda x v, but how do i get v?
Sunday, November 6, 2011 at 7:05pm by Ferdinand

CHEMISTRY
Ionization is when an electron is removed from an atom and ionization energy is the energy required to do this. "Electrons stream from the negative electrode to the positive electrode. In the process of moving from one electrode to the other they knock electrons in the ...
Sunday, November 13, 2011 at 6:08pm by Jessica

chemistry
does chlorine or carbon have greater ionization energy? I would expect it to be harder to pull an electron away from 17 + charges on chlorine than 6+ charges on carbon; although the outer electron is farther away in Cl. You can look these things up in a table; I did and Cl has...
Saturday, December 16, 2006 at 5:20pm by Carter

Chemistry
Do these three things have ionization energy levels? To be honest, I'm not quite sure how ionization works.
Sunday, November 13, 2011 at 2:34pm by Jessica

Chemistry (Follow up post - Dr.BOB22)
Ionization is when an electron is removed from an atom and ionization energy is the energy required to do this. "Electrons stream from the negative electrode to the positive electrode. In the process of moving from one electrode to the other they knock electrons in the ...
Sunday, November 13, 2011 at 9:39pm by Jessica

Chemistry
1)Identify which concepts/topics you believe that you will need to apply to solve the problem below. Select all that apply. a)Covalent Bond Energy b)Ionic Bond Energy c)Single-electron Atom Ionization Energy d)Multi-electron Atom Ionization Energy e)Electronegativity f)...
Sunday, November 18, 2012 at 11:34am by selly

Chemistry130
ionization energy is the energy to remove an electron. The further an electron is from the nucleus, the less is ionization energy. So atom size is a predominate factor.
Thursday, September 17, 2009 at 10:18am by bobpursley

chemistry
Why do you think that the ionization energy tends to decrease within a family of the periodic table? Since ionization energy tends to increase within a period of the periodic table because they are in higher energy orbitals so it'll take more energy to remove the electrons. It...
Sunday, April 19, 2009 at 11:51pm by sh

Chemistry
Which trends are observed when the elements in Period 3 on the Periodic Table are considered in order of increasing atomic number? (1) The atomic radius decreases, and the first ionization energy generally increases. (2) The atomic radius decreases, and the first ionization ...
Tuesday, November 6, 2007 at 9:03pm by John

chem
order the elements Mg, K, Ca, S according to second ionization energy I know that K would have the highest second ionization energy, then come S bec it takes more energy to remove an electron from a nonmetal than a metal, which is next ?
Monday, November 24, 2008 at 1:26am by Natash

Chemistry
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 ...
Monday, November 28, 2011 at 12:31pm by A.J. Cooper

chem
the ionization energy for atomic hydrogen is 1.31x10^6 J/mol. what is the ionization energy for He^+
Tuesday, December 14, 2010 at 8:42pm by kate

Chemistry
First you find the Momentum (P) from the de Broglie eqn: P = h/lambda, where h is the Plancks constant. Then you find the velocity (v) from the eqn: P = m*v, where m is the Electron Mass. Then substitute v in the KE eqn: KE = 0.5*m*v^2. Add this KE to the Ionization Energy of ...
Saturday, January 12, 2013 at 7:35am by Chemoengineer

Chemistry
See this table for ionization energy. http://www.lenntech.com/periodic-chart-elements/ionization-energy.htm
Thursday, April 3, 2014 at 1:31am by DrBob222

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?
Saturday, October 6, 2012 at 5:42pm by gine

Chem
Which group shows the correct order of first ionization energy? Ca > Na > K Al > Si > P K > Ca > Ge Na > P > Cl Cs < Rb < Na I know the closer the element is to the right side of the table, group 8, the higher the ionization level, and the lower ...
Saturday, April 19, 2008 at 1:43pm by Ginger

Chemistry
It becomes easier to pull electrons away (that's what ionization energy is) from an atom as the electron is further from the nucleus. Therefore, the smallest ionization potential will be that of the largest atom.
Monday, November 19, 2007 at 6:52pm by DrBob222

Chemistry - check answers
1) Which element has the largest first ionization energy? A) Rb, B) Fr, C) K, D) Na, E) Mg Answer: E 2) Which has the highest electronegativity? A) Na, B) Cs, C) Si, D) Te, E) Cl Answer: E 3) In which of the following are the bonds arranged in order of increasing polarity? A) ...
Saturday, March 22, 2014 at 8:22pm by Amanda

chemestry
write a chemical equation for an atom losing a third electron. would the ionization energy for this reaction be larger or smaller that the ionization energy for the lloss of the first or second electron? explain
Tuesday, March 22, 2011 at 9:07pm by celina

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.
Monday, March 31, 2014 at 3:10pm by fifi

chemistry
The momentum of the electron is h /(wavelength) h is Planck's constant. Use that to compute the electron energy. Add the electron energy to the ionization energy (13.6 eV) for the photon energy.
Friday, January 11, 2013 at 1:22pm by drwls

boooring chemistry!!:(
Halogens are non-metals and if observed they form ionic bonds with metal because halogens have a high ionization energy to attract the metals. if you don't know what ionization energy is it means the energy need to to remove the electrons from an atom. Halogens also form ...
Tuesday, June 21, 2011 at 7:02pm by molly

science, chemestry
Identify which concepts/topics you believe that you will need to apply to solve the problem below. Select all that apply. Covalent Bond Energy Ionic Bond Energy Single-electron Atom Ionization Energy Multi-electron Atom Ionization Energy Electronegativity Limiting Reagent ...
Sunday, November 18, 2012 at 12:18pm by smile

chemistry
For a week acid whose ionization constant is 1.75 x 10(-5), the pH of its solution is 3.0. Determine its degree of ionization and its percent ionization.
Thursday, October 13, 2011 at 7:44pm by chris

chemistry
Pure acetic acid (HC2H3O2) is a liquid and is known as glacial acetic acid. Calculate the ient M 1) Explain why the lattice energy of MgS is approximately 4 times as large as that of NaCl. 2) Draw the Lewis structure for the acetate ion, CH3CO2, including any important ...
Saturday, July 16, 2011 at 2:01pm by oria

College chemistry
Pure acetic acid (HC2H3O2) is a liquid and is known as glacial acetic acid. Calculate the ient M 1) Explain why the lattice energy of MgS is approximately 4 times as large as that of NaCl. 2) Draw the Lewis structure for the acetate ion, CH3CO2, including any important ...
Friday, July 1, 2011 at 7:59pm by oria

Chemistry
Multi-electron Atom Ionization Energy, Conservation of Energy, Wave-Particle Duality.
Sunday, November 18, 2012 at 11:34am by c

Chemistry
how does the outer energy level relate to the ionization energy?
Tuesday, November 30, 2010 at 7:04pm by Sandy

chemistry
Zinc is more reactive (Has a lower ionization energy) than Lead. And, the reaction is spontaneous (lead provides the energy for electron transfer plus extra energy). Later you will find out about the concept Gibbs Free Energy and Entropy. All chemistry is rooted in physics ...
Saturday, June 20, 2009 at 11:37am by bobpursley

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 ...
Thursday, March 6, 2014 at 5:14pm by Jeimmy Vinueza

Chemistry - College
The ionization energy of a certain element is 472 kJ/mol. However, when the atoms of this element are in the first excited state, the ionization energy is only 166 kJ/mol. Based on this information, calculate the wavelength of light emitted in a transition from the first ...
Tuesday, October 26, 2010 at 8:13pm by Alexis

AP Chemistry Born-Haber Cycle?
When using the Born-Haber Cycle for Na2S, do I double the ionization energy of Na since there are two Na ions for every S ion in Na2S? Also, the problem asked me to find the change in energy for S- (g) + e- => S2- (g). Assuming that you do double the ionization energy, I ...
Sunday, October 17, 2010 at 12:26am by Becca

Chemistry
Which of the following has the higher ionization energy and why: Li or Ba? I cannot figure this out because they are in different periods but Ba is down on the periodic table telling me that it may have a higher ionization than Li. Help please?
Saturday, August 7, 2010 at 4:29pm by Ashley

chemistry
ionization energy is the minimum energy (Kj/mol)required to remove an wlectron from a gaseous atom in its ground state. affinity energy: the negative of the energy change that occurs when an electron is accepted by an atom in the gaseous state to form an anion
Sunday, January 24, 2010 at 12:18am by bun

chemistry
how do you write the ionization reaction and the acid ionization constant expression for the third ionization of phosphoric acid in water? Can you explain the main concepts that are involved in this?
Saturday, May 12, 2012 at 8:18pm by ryan

Chemistry
Which value represents the first ionization energy of a nonmetal? 497.9kJ, 577.4kJ, 811.7kJ, or 1000.kJ ? I think the answer is 1000. kJ, since it is the highest amount. Am I correct? My reasoning is that nonmetals have higher ionization energies than metals.
Monday, December 1, 2008 at 8:12pm by Anonymous

CHEMISTRY
I have an assignment to 'Research ionization energy levels and come up with 3 real world applications' and was told you look up lasers, plasma arcs and neon lights. Hours later, (lol) I'm still having a little trouble. Is there any way someone can explain the connection ...
Sunday, November 13, 2011 at 6:08pm by Jessica

CHEMISTRY
I have an assignment to 'Research ionization energy levels and come up with 3 real world applications' and was told you look up lasers, plasma arcs and neon lights. Hours later, (lol) I'm still having a little trouble. Is there any way someone can explain the connection ...
Sunday, November 13, 2011 at 6:08pm by Jessica

Chemistry
I have an assignment to 'Research ionization energy levels and come up with 3 real world applications' and was told to look up lasers, plasma arcs and neon lights. Hours later, (lol) I'm still having a little trouble. Is there any way someone can explain the connection between...
Sunday, November 13, 2011 at 7:36pm by Jessica

Chemistry
What amount of energy is required to completely ionize 21.5 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole? Answer in units of J
Wednesday, October 17, 2012 at 9:53pm by Peter

Chemistry
Calculate the work done when 70.0g of tin dissolves in excess acid at 3.00 atm and -15.0 C. Sn(s)+2H^+(aq) -> Sn^2+(aq)+H2(g) Assume ideal gas behavior. Any ideas? I've come up with a few different answers and can't come to a conclusion. I see the following energies ...
Friday, September 15, 2006 at 8:44pm by Doug

chemistry
Do you mean higher ionization energy? Phosphorus has a higher first ionization energy. Its 2p subshell is half-filled with one eletron in each orbital. The three electrons have identical (parallel) spins. A sulfur atom has one more electron than phosphorus in the 2p subshell. ...
Thursday, October 22, 2009 at 9:52am by GK

ap chemistry
What amount of energy is required to com- pletely ionize 26.9 grams of carbon atoms in the gas phase (C(g)) if the ionization energy of C(g) is 1086 kJ/mole? Answer in units of J
Monday, April 15, 2013 at 7:02pm by cheri

Chemistry
Calulate the degree of ionization for NH3(aq) in 1.0 M solution, Kb = 3.236E-4. I've seen degree ionization for acids and not bases. Do I need to find the Ka [H+] value of the base to determine the degree of ionization?
Wednesday, March 7, 2012 at 12:26am by Rosi

Chemistry
i dont understand this paragraph, can anyone explain it to me? If a large amount of energy is needed to remove an electron from an atom, the arrangement of electrons in that atom is considered to be especially stable. Thus, a high first ionization energy must be supplied to ...
Wednesday, March 5, 2008 at 6:45pm by johnny

Chemistry
I dont understand this paragraph, can anyone explain it to me? If a large amount of energy is needed to remove an electron from an atom, the arrangement of electrons in that atom is considered to be especially stable. Thus, a high first ionization energy must be supplied to ...
Wednesday, March 5, 2008 at 11:48pm by johnny

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...
Tuesday, April 2, 2013 at 6:58am 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...
Tuesday, April 2, 2013 at 7:02am by Anonymous

Chemistry
what are electronegativity, electron affinity, and ionization energy?
Sunday, September 27, 2009 at 10:44pm by mike

chemistry
electronegativity=high ionization energy element 3
Tuesday, July 12, 2011 at 1:04pm by bobpursley

Chemistry
Why is ionization energy for calcium greater than that for potassium?
Sunday, August 4, 2013 at 3:52pm by mariana

chemistry
Can someone help me with this homework problem? Which of the following is the best explanation as to why lithium is the strongest reducing agent in the alkali metals? A) relatively high charge density of Li B) lowest ionization energy of the metals C) most positive standard ...
Saturday, April 21, 2007 at 11:30pm by ninjaturtle

Chemistry
No, it's the same concept as %ionization for acids. Set up an ICE chart for NH3 ..........NH3 + H2O ==> NH4^+ + OH^- initial...1.0M..........0........0 change.....-x............x........x equil.....1-x............x........x Then calculate OH^- and % ionization = (OH^-)/(1.0...
Wednesday, March 7, 2012 at 12:26am by DrBob222

Chemistry
Which of the following elements has the smallest ionization energy? A. F B. Be C. B D. Mg E. C
Monday, November 19, 2007 at 6:52pm by Lauren

chemistry
Do nonmetals have a higher or lower ionization energy?
Monday, December 1, 2008 at 8:44pm by Anonymous

chemistry
what is the difference between electron affinity and ionization energy?
Sunday, January 24, 2010 at 12:18am by Jeremy

chemistry
fisrt ionization energy across period three
Monday, August 22, 2011 at 3:37am by wane

Chemistry (Follow up post - Dr.BOB22)
The color depends upon the energy emitted when the electron returns to the atom (the reverse of ionization). In a sense, then, what you say is true but it's an odd way of saying it. In addition, the quotes you have seem out of place in your short discussion. The words don't ...
Sunday, November 13, 2011 at 9:39pm by DrBob222

chemistry
Can someone help me to check my answer and the way I solve this problem is right or wrong? Determine the energy required to turn a Na metal atom into a gas phase ion (Na+ (g)). Ionization energy of Na(g) 499 kJ/mol Electron affinity of O(g)for2e- 603 kJ/mol Energy to vaporize ...
Friday, September 7, 2012 at 3:25am by Jenny

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) ...
Monday, October 26, 2009 at 4:01pm by Sarah

Chemistry
i know its either 1 or 2 because i know the radius will decrease but i dont know about the ionization energy..
Tuesday, November 6, 2007 at 9:03pm by John

chemistry
explain fisrt ionization energy across period three
Monday, August 22, 2011 at 3:40am by wane

physical science
The ionization energies of Li, Na, K, Rb, and Cs are respectively 5.4, 5.1, 4.3, 4.2, and 3.9 eV. All are in Group 1 of the periodic table. Explain the decrease in ionization energy with increasing atomic number in this group.
Monday, October 17, 2011 at 1:22am by Sheryl

Chemistry
How much energy, in joules, must be absorbed to convert to Na+ all the atoms present in 1.00mg of gaseous Na? The first ionization energy of Na is 495.8 kJ/mol
Sunday, December 9, 2012 at 12:41pm by Chironjit

chemistry
What is the maximum number of Cs+ ions that can be produced per joule of energy absorbed by a sample of gaseous Cs atoms? Do you start by knowing the ionization energy for Cs. I really need assistance.
Tuesday, October 12, 2010 at 11:43am by Ysabella

Chemistry(Please check)
If that is (HA) = 0.1 before ionization, then I would have used (HA) after ionization as 0.1-0.001 = 0.099. If Ka = 1.00E-5, then pKa = 5 pKa = -log(Ka) = -log(1E-5) = -(-5) = 5.
Thursday, September 20, 2012 at 6:36pm by DrBob222

Chemistry
What is the ionization energy (in kJ/mole) of the hydrogen-like ion F8+ ?
Sunday, December 5, 2010 at 7:42pm by Marissa

Chemistry
Explain which atom of the following pair have the smaller ionization energy: As, I
Friday, February 18, 2011 at 1:46pm by Emily

chemistry
the following values are the only energy levels of a hypothetical one electron atom: E6= -2x10^-19J, E4= -11x10^-19J, E2= -17x10^-19J, E5= -7x10^-19L, E3= -15x10^-19J, E1= -20x10^-1J a: if the electon were in the n = 3 level, what would be the highest frequency and minimum ...
Saturday, April 5, 2014 at 4:51pm by hotmom

Chemistry
What's the relationship between ionization energy and electron affinity? I ionization eneergy deals with losing electrons and electron affinity deals with gaining electrons, but I don't know how to explain the relationship.
Friday, February 18, 2011 at 4:21pm by Emily

chemistry
The mass is different, too. I would expect the difference in ionization energy, if any, to be very small.
Tuesday, September 28, 2010 at 11:53pm by DrBob222

Chemistry
How can I calculate the energy required for the ionization of an electron from the ground state of the hydrogen atom?
Wednesday, November 2, 2011 at 11:02am by Lorry

chemistry
will KCl conduct more electricity than AlCl3 because K has less ionization energy than Al?
Sunday, February 5, 2012 at 6:43pm by curious

Chemistry
Rank the following in terms of increasing first ionization energy. 1. Na, Mg, N, O, F
Friday, November 18, 2011 at 5:39pm by Anonymous

Chemistry
Among the following, which element has the lowest ionization energy? A. Na B. Cl C. Cs D. I
Friday, November 8, 2013 at 2:36pm by Jake

chemistry
no thing given rather then this information and this is exam question how i can look for ionization energy?
Sunday, March 30, 2014 at 10:14pm by Mohanad

chemistry
what is the ionization reaction and acid ionization constant expression for the HS- ion in water?
Sunday, May 13, 2012 at 12:32pm by ryan

chemistry
calculate the lattice energy of sodium oxide (Na2O) from the following data: Ionization energy of Na(g): 495 kJ/mol Electron affinity of O2 for 2e: 603 kJ/mol Energy to vaporize Na(s): 109 kJ/mol O2(g) bond energy: 499 kJ/mol Energy change for the reaction 2Na(s)+ 1/2 O2(g)--&...
Friday, September 14, 2012 at 7:46pm by Meeeee

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?
Thursday, September 23, 2010 at 1:01am by Kelsey

Chemistry
ionization decreases as temp decreases so.. ionization increases as temp increases water+heat>>ions endothermic, so decrease in temp favors reverse. check my logic
Friday, May 31, 2013 at 9:37pm by bobpursley

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 ...
Sunday, March 29, 2009 at 5:43pm by Emmanuel

Chemistry
Write a chemical equation representing the second ionization energy for lithium. use e- as the symbol for an electron.
Monday, April 1, 2013 at 11:20pm by anonymous

Chemistry
Shown below are several options for the box notations of the ground state electron configuration of the following gas-phase species. Identify the correct electronic configuration. i. Al2− ii. Mn (a)Select the reason that best explains why the first ionization energy ...
Friday, January 11, 2013 at 8:06am by c

physics
Calculate the ionization energy of doubly ionized Lithium, which has Z=3. Construct also the energy level diagram for it.
Tuesday, April 19, 2011 at 7:37am by qwer

Chemistry ? please
I was out sick & am copying a friends notes from class. My question is what does e- stand for? it easier to form a positive ion with a low ionization energy because a positive ion is formed by removing an e-(I think maybe electron) and the other one is e-s? The trend in ...
Thursday, December 4, 2008 at 9:14pm by Mike

science
(c) The kinetic energy of the emitted electrons is measured to be 15.2 eV. What is the first ionization energy of Hg in kJ/mol?
Sunday, December 16, 2012 at 3:32pm by Samantha

Chemistry
Predict which member of each pair has higher ionization energy? A) Al3 or Al+ B)Ca or Sr C)F or Ne ,explain please help me i don't know how to do this.
Saturday, November 12, 2011 at 5:36am by Meron

chemistry
1. For which of these elements would the first ionization energy of the atom be higher than that of the diatomic molecule? a. boron b. helium c. oxygen d. lithium
Monday, November 4, 2013 at 1:35pm by Anonymous

Chemistry
What is the lattice energy of NaH? Use the given information below: Heat of formation for NaH = -56.442 kJ/mol Head of sublimation for Na = 107.3 kJ/mol Ionization energy for Na = 496.00 kJ/mol Bond dissociation energy for H2 = 435.9kJ/mol Electron affinity of H = -72.8
Monday, December 7, 2009 at 9:58am by ChemProblem

Chemistry
What is the lattice energy of NaH? Use the given information below: Heat of formation for NaH = -56.442 kJ/mol Head of sublimation for Na = 107.3 kJ/mol Ionization energy for Na = 496.00 kJ/mol Bond dissociation energy for H2 = 435.9kJ/mol Electron affinity of H = -72.8
Monday, December 7, 2009 at 10:58am by LatticeEnergy??

Chemistry
I have an assignment to 'Research ionization energy levels and come up with 3 real world applications'. I'm not so sure how to do this. Any help would be appreciated.
Sunday, November 13, 2011 at 2:34pm by Jessica

chemistry
each element Na, Mg, Al, Si, P, S has a very big jump in ionization energies. Please explain what causes these jumps in energy?
Monday, October 22, 2012 at 6:51pm by kenvin

chemistry
Using the ionization energy chart, how much energy will it take to remove only 1 electron on the surface of Nickel? If you hit the surface of Nickel with a photo that has a wavelength of 90nm, what will the wavelength of that ejected electron be?
Saturday, December 4, 2010 at 11:32pm by regina

Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | Next>>

Search
Members