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

Search SchoolNGR

The atomic number of an element whose cation, X2+, has the ground state electronic ...

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

SchoolNGR Classroom

Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE

A 16
B 18
C 20
D 22
E 24

Correct Answer: Option C

Explanation:

Prev Current Next

Study Subjects

Stay Updated

Follow us on: