please help me with this q
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Answered by
3
Answer:
2+8+8 = 18
Ca^(2+)
2+ means two less from electronic configuration
Atomic number of Ca = 20
20-2 = 18
therefore Ca^(2+) is answer✓
S^(2-)
2- means two more to electronic configuration.
Atomic number of Sulphur = 16
16+2 = 18
therefore S^(-2) is the answer✓
so option C is answer.
Answered by
1
Answer:
c
Explanation:
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