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Question 0

The atomic number of an element whose cation, X2+, has the ground state electronic configuration 1s22s22p63s22p6 is?

  • A.16
  • B.18
  • C.20
  • D.22
  • E.24
Objective

Question details

Exam body
JAMB
Subject
Chemistry
Year
1985
Question no.
#0
Type
Objective
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