Electron configuration Study guides, Class notes & Summaries
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CHEM 101L Lab 5 exam: Electron Configuration FALL 2023 (Straighterline)
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Wavelength of light emitted depends directly on: 
Select one: 
a. The quantity of energy absorbed by an electron. 
b. The specific element the electron belongs to. 
c. The quantity of energy released by an electron. 
d. All of the above 
What is the total number of electrons that can occupy the third principle energy 
level? 
Select one: 
a. 8 
b. 2 
c. 10 
d. 18 
The electron configuration 1s 2s 2p 3s 3p 4s 3d 4p represents which element? 
Select one: 
a. Germanium 
b. Arsenic 
c. Silicon 
d. P...
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Electron Configuration Practice Questions and Answers Already Passed | Graded A+
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What atom matches this electron configuration? 1s22s22p63s2 
 Neon 
 Magnesium 
 Aluminum 
 Potassium 
2. What atom matches this electron configuration? 1s22s22p63s23p64s23d10 
 Zinc 
 Copper 
 Nickel 
 Germanium 
3. What is the electron configuration for a Sulfur atom? 
 1s22s22p63p6 
 1s22s22p63s23p6 
 1s22s22p63s23p4 
 3p4 
4. What atom matches this electron configuration? 
1s22s22p63s33p64s23d104p65s24d105p66s24f145d9 
 Mercury 
 Gold 
 Platinum 
...
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CLEP chemistry questions with correct answers
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The attractions between atoms within a molecule of NH3 are best characterized as 
A. hydrogen bonds 
B. ionic bonds 
C. polar covalent bonds 
D. London (dispersion) forces 
E. ion-dipole forces Correct Answer-polar covalent bonds 
 
R(g) + 2T(g) ⇌ 2X(g) + Z(g) 
 
The reaction mixture above is at equilibrium at 298 K. The value of the equilibrium constant for the reaction is 16 at 298K. If R(g) , X(g) and Z(g) each have an equilibrium concentration of 2.0 M, what is the equilibrium concentrati...
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CHEMISTRY A LEVEL WITH SATISFIED SOLUTIONS What are the two elements which are exceptions to the electron configuration? - CORRECT-The two exceptions for this is copper and chromium. In both cases, the 4s subshell contains only one electron, even thoug
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CHEMISTRY A LEVEL WITH SATISFIED SOLUTIONS 
 
 
 
What are the two elements which are exceptions to the electron configuration? - CORRECT-The two exceptions for this is copper and chromium. In both cases, the 4s subshell contains only one electron, even though there are electrons in the 3d subshell. 
 
 
 
To explain this, its because the 3d subshell is more stable when it is either half full, or completely full. 
 
 
 
So in the case of chromium, by having only one electron in the 4s subshell, ...
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CHEM 103 module 4 exam question and answers
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Write the subshell electron configuration (i.e.1s2 2s2 
, etc.) for the Ni28 atom. 
Your Answer: 
Ni28 = 1s2 
, 2s2 
, 2p6 
, 3s2 
, 3p6 
,4s2 
, 3d8 
↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ 
↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ ↑ ↓ 
↑ ↓ ↑ ↑ 
1s 2s 2p 3s 3p 4s 3d 
Ni28 = 28 electrons = 1s2 2s2 2p6 3s2 3p6 4s2 3d8 
Question 2 
Not yet graded / 10 pts 
Click this link to access the Periodic Table.This may be helpful throughout 
the exam. 
Write the subshell electron configur...
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Test Bank For Organic Chemistry 9th Edition by John E. McMurry
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Chapter 01 - Structure and Bonding 
1. Give the ground-state electron configuration for carbon (atomic number 6). 
1s22s22px12py1 or 1s22s22p2 
2. Give the ground-state electron configuration for fluorine (atomic number 9). 
ANSWER: 
POINTS: 1 
1s22s22px2 2py2 2pz1 or 1s22s22p5 
3. Give the ground-state electron configuration for magnesium (atomic number 12). 
1s22s22p63s2 
4. How many electrons does silicon have in its valence shell? 
ANSWER: four POINTS: 1 
Exhibit 1-1 
Write valid Lewis (elec...
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Electron Configuration Practice Questions and Answers Already Passed | Graded A+
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What atom matches this electron configuration? 1s22s22p63s2 
 Neon 
 Magnesium 
 Aluminum 
 Potassium 
2. What atom matches this electron configuration? 1s22s22p63s23p64s23d10 
 Zinc 
 Copper 
 Nickel 
 Germanium 
3. What is the electron configuration for a Sulfur atom? 
 1s22s22p63p6 
 1s22s22p63s23p6 
 1s22s22p63s23p4 
 3p4
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BLG1501 Assignment 1 2024 Semester1 (Solutions)
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BLG1501 Assignment 1 2024 Semester1 (Solutions) 
 
Question 1 
Complete 
Marked out of 2.00 
Flag question 
Question text 
What is the basic unit of life? 
a. 
Cells 
b. 
Nuclei 
c. 
Organelles 
d. 
DNA 
Question 2 
Complete 
Marked out of 2.00 
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Question text 
RNA is an example of a _____. 
a. 
polysaccharide 
b. 
fat 
c. 
polypeptide 
d. 
nucleic acid 
Question 3 
Complete 
Marked out of 2.00 
Flag question 
Question text 
What is the chemical composition of fats? 
a. 
fatty acid...
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Long Hand Electron Configuration
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Long Hand Electron Configuration 
Write out the entire electron configuration for the following elements: 
1. Helium 
 1s2 
2. Phosphorus 
 1s2 
2s2 
2p6 
3s2 
3p3 
3. Nickel 
1s2 
2s2 
2p6 
3s2 
3p6 
4s2 
3d8 
4. Xenon 
 1s2 
2s2 
2p6 
3s2 
3p6 
4s2 
3d12 4p6 
5s2 
4d12 4p2 
5. Neodymium 
 1s2 
2s2 
2p6 
3s2 
3p6 
4s2 
3d12 4p6 
5s2 
4d12 4p6 5s2 
 
6. Gold 
1s2 
2s2 
2p6 
3s2 
3p6 
4s2 
3d12 4p6 
5s2 
4d12 4p6 5s2 4d125p6 
6s1 
 
7. Potassium 
1s2 
2s2 
2p6 
3s2 
3p6 
4s1 
8. Carbon 
 1s2 
2s2...
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MCAT Atomic Structure, Quantum Numbers, Electron Configuration
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MCAT Atomic Structure, Quantum Numbers, Electron Configuration