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General Chemistry 1 Final - Part 1 of 3
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Problem 1
Problem 2
Problem 3
Problem 4
Problem 5
Problem 6
Problem 7
Problem 8
Problem 9
Problem 10
Problem 11
Problem 12
Problem 13
Problem 14
Problem 15
Problem 16
Problem 17
Problem 18
Problem 19
Problem 20
Problem 21
Problem 22
Problem 23
Problem 24
Problem 25
Problem 26
Problem 27
General Chemistry 1 Final - Part 1 of 3
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10. Periodic Properties of the Elements / The Electron Configuration: Condensed / Problem 18
Problem 18
Both Aluminum (Al) and Gallium (Ga) form chlorides as MCl
3
and oxides as M
2
O
3
. Show their condensed electron configuration and explain this behavior.
A
Al: [Ne]3s
1
3p
2
; Ga: [Ar]4s
2
3f
10
4p
1
; Based on the electron configuration of Al and Ga, both lose 2 electrons to form ions with +2 charge.
B
Al: [Ne]3s
2
3p
1
; Ga: [Ar]4s
2
3d
10
4p
1
; Based on the electron configuration of Al and Ga, both lose 3 electrons to form ions with +3 charge.
C
Al: [Ne]3s
3
; Ga: [Ar]4s
3
3d
10
; Based on the electron configuration of Al and Ga, both lose 3 electrons to form ions with +3 charge.
D
Al: [Ne]3s
2
3p
2
; Ga: [Ar]4s
2
3d
10
4p
2
; Based on the electron configuration of Al and Ga, both lose 4 electrons to form ions with +4 charge.
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