Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron configuration for that element. Excited State: 1s2 2s2 2p2 3s1 Element Symbol: ?

58,524 results

chemistry

Identify the neutral element represented by this excited-state electron configuration, then write the ground-state electron configuration for that element. Excited State: 1s2 2s2 2p2 3s1 Element Symbol: ? Ground State: ?

AP Chemistry

Which of the following electron configurations correspond to an excited state? Identify the atoms and write the ground-state electron configuration where appropriate. If the configuration is a noble gas, enter the noble gas in brackets, for example [Ne] for F -. If the ...

chemistry

Hi! Can somebody please help me with a coupla questions? Thanks loads!!! Describe physical and chemical properties of isotopes of the same element. Given the electron configuration of an element, how can you tell whether it represents the element in its ground or excited state...

electronic configuration

how do you figure out electronic configuration of excited state? ex: identify atom & write ground state conig. 1s2 2s2 2p6 4s1 Isn't there eleven electrons here? Element number 11 is... 1s23s

Chemistry

Use these answers for questions 4 - 7. (A) 1s2 2s22p5 3s23p5 (B) 1s2 2s22p6 3s23p6 (C) 1s2 2s22p62d10 3s23p6 (D) 1s2 2s22p6 3s23p63d5 (E) 1s2 2s22p6 3s23p63d3 4s2 4. An impossible electronic configuration 5. The ground-state configuration for the atoms of a transition element ...

Science

A chemical element with the symbol X has the electron arrangement 2,8,6 (electron configuration 1s2 2s2 2p6 3s2 3p4). Which chemical species is this chemical element most likely to form?

Chemistry

Element X has the highest first electron affinity in its period; the ground state electron configuration of it's most common ion is [Kr] 5s^2 4d^10 5p^6 a Element Y is the second largest element in it's period; it's valence electrons are in orbital(s) that have n=6 what is the...

Chemistry

Element x has the highest first electron affinity in its period, the ground state electron configuration of its common is: [Kr] 5s2 4d10 5p6 Element Y is the second largest element in its period; its valence electron are in orbital(s) that have n= 6. What is the most stable ...

Physics

A hydrogen atom in an excited state emits a Balmer beta photon followed by a Lyman alpha photon. The electron decay from: the first excited state to the ground state, the second excited state to the ground state, the third excited state to the first excited state to the ground...

Chemistry

I am having trouble figuring out the electron configuration for a carbon atom when it is in a molecule such as methane. I know that the ground state configuration for carbon is 1s2 2s2 2p2 but im not sure how to figure it out when it is bonded to other atoms. Thank you for the...

Chemisty

Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p3. A. What is the symbol for this element? B. What is the atomic number of this element? C. How many unpaired electrons does an atom of this elelemt have? D. How many valence ...

chem

If you maximize the unshared electrons in the boron atom, the electron configuration is? i know the electron configuration at ground state is 1S2 2S2 2P1 but when it maximizes unshared electrons i don't understand how it affects the configuration

Chemisrty

Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1. A. What is the symbol for this element? B. What is the atomic number of this element? C. How many unpaired electrons does an atom of this elelemt have? D. How many valence ...

Chem help

Answer the questions below for an element that has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s1. A. What is the symbol for this element? B. What is the atomic number of this element? C. How many unpaired electrons does an atom of this elelemt have? D. How many valence ...

Chemistry

What element is represented by this electron ground state configuration 4d^10 4f^14 5s^2 5p^6 5d^10 5f^14 6s^2 6p6 6d^2 7s^2 How do I figure this out

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 ...

Chem

The brilliant color of fireworks is produced by shells containing lithium carbonate (Li2CO3) that are launched into the night sky and explode. The explosions produce enough energy to vaporize the Li2CO3 and produce excited state lithium atoms. These atoms quickly lose energy ...

Chemistry

what is the lowest frequency photon that can ionize a hydrogen atom with excited state electron configuration 3s1

Chemestry 095

Write the electron configuration for the following ground state atoms and ions. strontium+2 ion; iron element; selenium -2 ion; gallium +3 ion; and tin element.

college Chemistry

Which is not a ground state electron configuration? A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1

chemistry

which element has the ground-state electron configuration [Kr]5s^2 4d^10 5p^4

Chemistry

Which is not a ground state electron configuration? A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1

Chemistry

Which is not a ground state electron configuration? A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1

Chemistry

Which is not a ground state electron configuration? A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1

Chemistry

Which is not a ground state electron configuration? A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1

Chemistry

Which is not a ground state electron configuration? A. 1s2 B. 1s2 2p1 C. 1s2 2s2 D. 1s2 2s2 2p1

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 ...

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 ...

CHEMISTRY

What element is represented by this electron ground state configuration : [Kr] 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d2 7s2 Is this really Krypton?

CHEMISTRY

What element is represented by this electron ground state configuration : [Kr] 4d10 4f14 5s2 5p6 5d10 5f14 6s2 6p6 6d2 7s2 Is this really Krypton?

physics

A hydrogen atom in an excited state emits a Balmer beta photon followed by a Lyman alpha photon. The electron decayed from the third excited state to the first excited state to the ground state. True or False.

AP Chemistry

So... this is the question which is from AP chem 2006 past paper. Suppose that a stable element with atomic number 119, symbol Q, has been discovered. a) write down the ground-state electron configuration of Q, showing only the valence-shell electrons.

CHEM

Confirm that the experimentally observed electronic configuration of K, 1s2 2s2 2p6 3s2 3p6 4s1 is energetically more stable than the configuration 1s2 2s2 2p6 3s2 3p6 3d1. ______ i know that it is energetically favorable for the electron to occupy the 4s state rather than the...

Chemistry(Please help)

For a carbon atom that is sp2 hybridized, I understand that the electron configuration would be Yes, 1s2 2s1 2p3 which is a 2s up arrow,and 3 orbtials that are 2p up arrows but then since the four bonds hybridize to form four sp3 hybrid bonds how do I write this? Also for an ...

chemistry

The following describes the process of an atom emitting light. Place the steps in order: (I already know the first two steps are: 1. Energy is absorbed by electrons and excitation occurs and 2. Electrons move from the ground state to the excited state.) Electrons are unstable ...

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...

science

1s2 2x2 2p6 3s2 3p6 is the electron configuration ofr for which ion? I believe your 2x2 should be 2s2. You have 18 electrons in filled orbitals. That could be a +1 charged element 19 (K+) or a +2 charged element 20 (Ca++) \, for example. In either case, it is a very stable ion...

chemistry

Which neutral atoms have the following electron configurations in either a ground state or excited state? Enter the name or symbol. [Ar]4s23d3 - I know that this is Vanadium [Xe]6s24f1 - I thought that this was Lu but it counts it wrong each time! Help please!

chemistry

A Li2+ ion had its electron in an excited state. When the electron relaxed to the ground state (n = 1) a photon of light was emitted with an energy of 1.884×10−17 J. What energy level was the electron in before it transitioned to the ground state?

Configuration

What is the electronic configuration of carbide C-4? Thought it was 1s2 2s2 sp2. Thanks from Sheryl C is atomic number 6. Electronic configuration of the neutral atom is 1s2, 2s2, 2p2. The carbide ion, C^-4, has four more electrons. So the extra four electrons must be added. ...

chemistry

Identify the element that has a ground state electronic configuration of [Ar]4s23d104p 4

science-chem

I am really confused on hybridization and how to do the orbital drawings. For example for BeF2: The electron configuration of F is (1s^2)(2s^2)(sp^5). In my book it says that there are two electrons in the ground state of Be in 1s and 2s orbital shells. For B3, 1 electron from...

Chemistry

Write the shorthand version of the electron configuration of an element that has eight electrons. I came up with the configuration as 1s^2-2s^2-2p^4, but how do I write the shorthand version of an element that has not been specified?

science-chem question

Hello I have another hybridization question. For example in BeF2 ... the electron configuration is 1s2, 2s2, 2p1. It gets hybridized to 1s2, 2s1, 2p2. I know that it will be a sp2 hybridization but I'm not exactly sure why. It's because the last p orbital has 2 electrons right...

Chemistry

Name an element that has 5 electrons in the third energy level. How do i determine the third energy level Row three on the periodic table is third energy level If memory serves me will, it begins with sodium. Ok. iS Krypton the electron configuration that ends in 4s2, 4p5 I ...

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 ...

chemistry

In the Bohr model, which is the lowest energy state available for an electron? A. nth B. excited state C. first state D. ground state Im thinking the answer is c or d.

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 ...

Chemistry

6p2 is the last one of the electron configuration. I think the element is Pb. How do I know the charge of the element?

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 ...

chemistry

using only the periodic table, write the expected ground-state electron configurations for: a. element number 116 b. an element with three unpaired 5d electrons c. the halogen with electrons in the 6p atomic orbitals

Chemistry

ONe day, you were walking along the road with your friend and saw a piece of solid that you've never seen before. You were curious about the identity of the substance so you tried to give it to the Department of Science. You found out from them that it is a new found element ...

Chemistry

Suppose that a stable element with atomic number 119, symbol Wr, has been discovered. (a) Write the ground-state electron configuration for Wr, showing only the valence-shell electrons. (b) Would Wr be a metal or a nonmetal? Explain in terms of electron configuration. (c) On ...

Chemistry

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 e7) times greater than the wavelength corresponding to the energy difference between a particular excited state of the ...

Chemistry

What is the symbol for the element whose electron configuration ends with 4p6?

physics

You are shining ultraviolet light on a gas of an unknown element. You know that an electron starts in a ground state with an energy of -19.10 eV. The electron absorbs a 4.00-eV photon. The electron immediately drops to an intermediate energy state Einter of energy -17.10 eV. ...

chemistry

which element has the ground-stat electron configuration [Ar]4s^2 3d^10?

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) ...

science

Consider a single electron in a 1dimensional box with size a, What is the expected position <x> of the electron at the second excited state? What is the expected value of linear momentum at the ground state ?

Chemistry

-Calcium chloride contains calcium and chloride ions. Write the ground-state electron configuration for the calcium ion. -Write the ground-state electron configuration for the chloride ion.

Chemistry

Electron configuration for phosphorus is 1s2 2s2 2p6 3s2 3p3. So the number of electron must be 15 , right ? But , what if m = 1 ? Does it effect the number of electron ?

Chemistry

You write the electron structure like this. 1s2 2s2 2p6 3s2 3p6 3d10 4s1 is the neutral Cu atom. Remove the two outside electrons to make the Cu^+2 ion. That leaves us with 3d9 as the outside and since that is an odd number, one electron must be unpaired. And you will note ...

chemistry

Ca + Br2 --> CaBr2 its synthesis and the reason the reaction happens is stable electron configuration but i don't understand why. Responses chemistry - DrBob222, Wednesday, January 21, 2009 at 10:06pm Synthesis because it's two elements combining to form a single product. ...

Physics

Take element Z = 24 from the periodic table. Ionize it 23 times so that there is only one electron left orbiting around the nucleus. What is the ground state energy of the electron?

chemistry

How can I determine which elements have higher first and second ionization energies than other elements? Also, how can I find the number of valence electrons from the electron configuration? Also, how can I use the electron configuration to find out what element it is talking ...

Chemistry

Metals lose electrons under certain conditions to attain a noble-gas electron configuration. How many electrons must be lost by the element Ca? Is it 2 e^-? Which noble-gas electron configuration is attained in this process? argon radon krypton xenon helium neon

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...

chemistry

The electronic configuration of manganese is: 1s22s22p63d54s2. a)What is the maximum oxidation state of manganese? b)Explain how the electronic configuration shows that Mn is a transition element

chemistry electron config

I need to know the predicted and actual electron configuration for Lanthanum I know for lets say Cr the predicted config is [Ar] 3d44s2 and the actual is [Ar]3d54s1 but lanthanum is different and i don't know how to do it. Any help? You can find the actual electron ...

Chemistry

Given the following three electron configurations: 1s2 2s2 2p5 How many core electrons does this element have? A. 4 B. 5 C. 9 D. 2

Chemistry

3. Using Bohr’s model of the atom, calculate the energy required to move an electron from a ground state of n = 2 to an excited state of n = 3. Express your answer in both J/photon and kJ/mol.

Chemistry

Which element has the following electron configuration: [Xe] 6s^(2) 5d^(1) 4f^(1)

Chemisty

how do you determine how many electrons are in the highest occupied energy level? For example many electrons are in the highest occupied energy level Group 3A Count them up. For example, you know 1s2, 2s2, 2p6, 3s2, 3p6, etc etc. You can go to www.webelements.com and click on ...

CHEM

Consider the following neutral electron configurations in which 'n' has a constant value. Which configuration would belong to the element with the most negative electron affinity, E-ea? a) ns^2 b) ns^2 np^2 c) ns^2 np^5 d) ns^2 np^6 would the answer be "d"??? (as in, it would ...

Chemistry

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 e7) times greater than the wavelength corresponding to the energy difference between a particular excited state of the ...

AP CHEM HELP!

How many unpaired electrons are present in each of these species? (a) 1s22s23p1 1 ground-state= __________ (b) 1s2 2s2 2p6 0 ground-state=______________ I Cant get the ground state config i think there might be somethign wrong...

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 ...

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 ...

science

I know that every element has only a certain set of allowed energy states & that the exact energy of these states depends upon the number of electrons, but why is the colour of the light emitted by an element (in GASEOUS STATE) characteristic of the element? The color of light...

chemistry

Enter the symbol for the element represented by the following electronic configuration. [Ar]4s23d6 ??? How does this work?

Chemistry

Write the full electron configuration for the ground state of each of the following: a. Ni b. Ni2+ I'm not exactly sure what to do here, please help!

Chemistry

What element has the final electron configuration as 3s2 3p4?

Chemistry - electron configuration

Hello Dr.Bob. Could you please take a look at the following question? I know the correct answer for it, but I'm not sure how to go about solving it. Which ground state electronic configuration will most readily ionize to a 2 + cation? A) 1s22s22p63s23p64s23d10 B) ...

Chemistry

An electron of a hydrogen atom falling from n=3 in the excited state to back to ground state gives off about 12eV. what form the "light" will it give off?

Chemistry

How can you find out how many unpaired electrons are present in gaseous Co3+ ion in its ground state? According to the NBS Circular 467 "Atomic Energy Leves", Co(3+) has 24 electrons with structure 1s(2), 2s(2), 2p(6),3s(2), 3p(6), 3d(6), and spectroscopic designation 5D4. (...

Chemistry

A valence election in an atom of sulfur is excited by heating a sample. The electron jumps from the s orbital to the p orbital. What is the electron configuration of the excited sulfur atom, and what would the orbital diagram look like?

inorganic chermistry

a large number of hydrogen atoms have electrons excited to the n_h=4 state.How many possible spectral lines can appear in the emission spectrum as a results of the electron reaching the ground state(n_1=1)?

Chemistry

Where Can i find drawing of the electron dot structure of the following atoms. Argon,Calcium,Iodine www.webelements.com will give you the electron configuration. Scroll down the menu on the left side. The electron dot structure is done this way: Write the symbol for the ...

Chemistry

Which element's 4+ ion would have the following electron configuration? [Kr]4d^10

Quantum Physics

Each element has a different set of energy levels. Use this fact to "explain" whay the colour of the light emitted by an element in the gaseous state is characteristic of the element. When an electron falls from one of the higher energy levels to a lower energy level, light is...

CHEMISTRY: URGENT

1) the element Q has the electronic configuration 1S2, 2S2, 2p6, 3s2, 3p6, 4s2 3d10, 4p1. Write the atomic #. Q exist as 69Q and 71Q. What is the significance of the 2 #'s. What does it mean. B) find the atomic mass if 69Q is 60% anf 71Q is 40%

chemistry:energy level of element

each element has a different has a different set of energy level use this fact to explain why colour of light emited by an element in gaseous state is the characteristics of the element The light emitted is characteristic of a specific set of allowed quantum levels, each ...

College Chemistry

Draw an orbital diagram showing valence electrons and write the condensed ground-state electron configuration for Se3+

Chemistry

Write the element symbol and charge for this monatomic ion: Consider a monatomic ion that has the electron configuration of [Kr]4d^10 5s^2 and a charge of 2+

college Chemistry

(Questions 6 and 7) For the following elements list the electron configuration. Assume it is neutral and in its ground state. 6. Fluorine (a) 1s22s22p1 (b) 1s22s22p63s1 (c) 1s22s22p5 (d) 1s22s22p63s23p64s1 (e) 1s22s1 7. Gallium a)1s22s22p63s23p64s23d104p65s24d105p66s24f1 (b)...

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

chemistry

1.) Which element has one of the highest electronegativities on the periodic table? 2.) Which element has one electron in a 3p orbital? 3.) Which element tends to gain one electron?

Chem- quantum question

Hi. My teacher is giving us a test tomorrow on quantum numbers and Iunderstand it except for Noble gas configuration. I saw the question below on it but it's not really what I need to know so any help would be great. :) Question: My teacher said he'll give us a question like ...

Science

Each element has a different set of energy levels. Use this fact to explain why the colour of the light emitted by an element in the gaseous state is characteristic of the element? I will be happy to critique your thinking on this.

Chemistry

In the ground-state electron configuration of Fe^{3+}, how many unpaired electrons are present? An explanation would be great, thanks.

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