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3.1-Ion Formation
By Rasha Diab
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Last updated about 3 years ago
5 questions
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Question 1
1.
Which of the following is the correct
noble gas notation
of bromide ion, Br
―
?
[Ne]
[Kr]
[He]
[Xe]
Question 2
2.
The ion X
3‒
belongs to an element in Group
3
11
13
15
Question 3
3.
The
electron configuration
of an oxide ion is _________.
1s
2
2s
2
2p
6
1s
2
2s
2
2p
4
[He] 2s
2
2p
6
[Ne]
Question 4
4.
Which of the following atoms tends to form an ion with a charge of 2−?
O
C
Cl
Ca
Question 5
5.
Which of the following atoms tends to form an ion with a charge of 2+?
S
K
B
Mg