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Chemistry Unit 5: Electrons in Atoms Flashcards | StudBud
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Chemistry Unit 5: Electrons in Atoms
Chemistry Unit 5: Electrons in Atoms
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Review of the electron configuration of elements for a 9th grade chemistry class
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
How many valence electrons does Phosphorus (P) have?
3
5
2
Which is this element’s electron configuration, 1s2 2s2 2p3?
P
B
N
3
What does the Wave Equation say?
C = λ * ν
λ = C * ν
C = λ + ν
v = λ * C
4
Is the following a possible electron ground state configuration,1s2 1p3?
Yes
No
5
How many electrons are in an atom of Aluminum (Al)?
13
14
1
3
6
Which does Planck’s equation state?
Energy = Planck's Constant / Wavewlength
Energy = Planck's Constant + Wavelength
Energy = Planck's Constant X Frequency
Energy = Planck's Constant / Frequency
7
Is the following a possible electron ground state configuration,1s2 2s3 2p4?
No
Yes
8
Which is the proper electron configuration for Fe?
1s2 2s2 2p6 3s2 3p6 4s2 3d6
1s2 2s2 2p6 3s2 3p6 4s2 4d6
9
Is the following a possible electron ground state configuration, 1s2 2s2 2p6 3s2 3p1?
No
Yes
10
Is the following a possible electron ground state configuration, 1s
2
2s
2
2p
6
3s
2
3d
6
?
No
Yes
11
Krypton (Kr) is located in which block of the Periodic Table of the Elements
f
p
d
s
12
What is the highest energy electron in Silver (Ag)?
5d9
6d9
4d9
13
Calcium (Ca) is located in which block of the Periodic Table of the Elements
d
p
s
f
14
Which electron transition emits the photon with the most energy?
B
A
C
15
Write out the full electron configuration for Magnesium
1s2 1p6 1d10 2s2 2p6 2d10 3s2
1s2 2s2 2p6 3s2
1s2 1p6 2s2 2p6 3s2
1s2 2s2 3s2
16
The Bohr model replaced which previous model of the atom?
Dalton's
Quantum Model
Rutherford
Plum Pudding
