Few general names are given along with their valence shell configurations. Mark the…
Chemistry · Class 11 · CBSE — Classification of Elements and Periodicity in Properties
Few general names are given along with their valence shell configurations. Mark the incorrect name.
- ns2 np6 – Noble gases
- ns2 np5 – Halogens
- ns1 – Alkali metals
- ns2 np2 – Chalcogens
Answer
(D) ns 2 np 2 – Chalcogens
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