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Atomic StructureMCQ

Which list includes species with the same number of electrons? — Atomic Structure Chemistry Question

Question

Which list includes species with the same number of electrons?

A.

Mg, Ca, Sr

B.

Li+, Na+, K+

C.

K+, Cl–, S2–

✓ Correct
D.

Fe2+, Co2+, Ni2+

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