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Lon Capa HW 6 - Chem 101 Questions And Answers Well Elaborated
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Lon Capa HW 6 - Chem 101 QuestionsAnd Answers Well Elaborated
Which of the following represents the ground state electronic configuration for
Pb²⁺ ? - ANSWER✔✔ [Xe] 6s²4f¹⁴5d¹⁰
Now enter the ground state electron configuration for As³⁻. (noble gas shorthand)
- ANSWER✔✔ [ Ar ] 4s²3d¹⁰4p⁶
Enter the electron configuration for Po using noble gas shorthand notation. -
ANSWER✔✔ [ Xe ] 6s²4f¹⁴5d¹⁰6p⁴
Which of the following correspond to an excited state?
a) 1s²2s²3p¹
b) 1s²2s²2p⁶
c) 1s²2s²2p⁴3s¹
d) [Ar] 4s²3d⁵4p¹ - ANSWER✔✔ a) 1s²2s²3p¹
c) 1s²2s²2p⁴3s¹
d) [Ar] 4s²3d⁵4p¹
How many unpaired electrons are present in each of the above configurations as
written?
a) 1s²2s²3p¹
b) 1s²2s²2p⁶
c) 1s²2s²2p⁴3s¹
d) [Ar] 4s²3d⁵4p¹ - ANSWER✔✔ a) 1
, b) 0
c) 3
d) 6
Write the ground state electron configuration where appropriate. For those that
are already in the ground state, just re-enter that same configuration.
a) 1s²2s²3p¹
b) 1s²2s²2p⁶
c) 1s²2s²2p⁴3s¹
d) [Ar] 4s²3d⁵4p¹ - ANSWER✔✔ a) 1s²2s²2p¹
b) 1s²2s²2p⁶
c) 1s²2s²2p⁵
d) [Ar] 4s²3d⁶
The electron configuration of 1s²2s²2p⁶3s²3p³4s¹3d² is an excited state electron
configuration for P. - ANSWER✔✔ False
If an element (abbreviated X) has a ground state electron configuration of
[Ne]3s²3p⁴, then the formula of the compound that X forms with sodium is Na₂X. -
ANSWER✔✔ True
The ground state electron configuration for the undiscovered element 117 is
[Rn]7s²5f¹⁴6d¹⁰7p². - ANSWER✔✔ False
The element with a ground state electron configuration of [Ar]4s²3d¹⁰4p⁵ has 7
valence electrons. - ANSWER✔✔ True
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