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Question

Which of the following is isoelectronic of carbon?
  1. Na+
  2. Al3+
  3. O2
  4. N+

A
Al3+
B
O2
C
N+
D
Na+
Solution
Verified by Toppr

N+ is isoelectronic to C. Both contain 6 electrons out of which 2 are core electrons and 4 are valence electrons. N has 7 electrons. It loses one electron to form N+ with 6 electrons.

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