EXERCISE 6-1 Valence and Ion Electron Structures
Click on the correct answer
1
The electron configuration for argon is:
1s
2
2s
2
2p
6
3s
2
3p
6
1s
2
2s
2
2p
6
3s
2
3d
6
1s
2
2s
2
2p
6
3p
6
3d
2
1s
2
2s
2
2p
6
3s
8
None of the previous answers.
2
The electron configuration for chloride is:
1s
2
2s
2
2p
6
3s
2
3p
6
1s
2
2s
2
2p
6
3s
2
3d
6
1s
2
2s
2
2p
6
3p
6
3d
2
1s
2
2s
2
2p
6
3s
2
3p
5
None of the previous answers.
3
The electron configuration for sulfide is:
1s
2
2s
2
2p
6
3s
2
3p
6
1s
2
2s
2
2p
6
3s
2
3d
6
1s
2
2s
2
2p
6
3s
2
3p
4
1s
2
2s
2
2p
6
3s
2
3p
5
None of the previous answers.
4
The electron configuration for potassium ion is:
1s
2
2s
2
2p
6
3s
2
3p
6
1s
2
2s
2
2p
6
3s
2
3d
6
1s
2
2s
2
2p
6
3s
2
3p
6
4s
1
1s
2
2s
2
2p
6
3s
2
3p
5
None of the previous answers.
5
The electron configuration for calcium ion is:
1s
2
2s
2
2p
6
3s
2
3p
6
1s
2
2s
2
2p
6
3s
2
3d
6
1s
2
2s
2
2p
6
3s
2
3p
6
4s
1
1s
2
2s
2
2p
6
3s
2
3p
6
4s
2
None of the previous answers.
6
1s
2
2s
2
2p
6
3s
2
3p
6
is the electron configuration for:
argon
chloride
sulfide
calcium ion
All of the previous answers.
7
A positive ion (cation) is formed when:
An atom gains protons.
An atom gains positrons.
An atom loses electrons
None of the previous answers
8
Negative ions (anions) are formed when:
an atom loses a proton.
an atom gains electrons.
a double replacement reaction occurs.
None of the previous answers.
9
The valence electron structure of the halogens is (n represents the number of the highest incomplete quantum level):
ns
2
np
5
ns
2
np
6
np
5
np
7
None of the previous answers.
10
The valence electron structure of the alkaline earth metals is (n represents the number of the highest incomplete quantum level):
ns
2
np
6
ns
2
np
1
ns
2
np
2
None of the previous answers.
11
The valence electron structure of the 6A (oxygen family) is (n represents the number of the highest incomplete quantum level):
ns
2
np
6
ns
2
np
4
ns
2
np
2
np
6
None of the previous answers.
12
The valence electron structure of the 3A (boron family) is (n represents the number of the highest incomplete quantum level):
ns
3
np
3
ns
2
np
6
ns
2
np
1
None of the previous answers.
13
The valence electron structure of the 1A (alkali metals) is (n represents the number of the highest incomplete quantum level):
ns
1
np
1
ns
2
np
6
ns
2
None of the previous answers.
14
The valence electron structure of the 5A (nitrogen family) is (n represents the number of the highest incomplete quantum level):
ns
5
np
5
ns
2
np
3
np
3
None of the previous answers.
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