The electronic configuration of elements
A, B, C and D are (2,8,4) (2, 8, 1), (2, 8, 6) and
(2, 8, 7) respectively. Which of them can make
an ion with two negative charges?
(a) A
(b) B
(c) C
(d) D
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The electronic configuration of elements
A, B, C and D are (2,8,4) (2, 8, 1), (2, 8, 6) and
(2, 8, 7) respectively. Which of them can make
an ion with two negative charges?
(a) A
(b) B
(c) C
(d) D
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Answer:
C is correct
Explanation:
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