Few general names are given along with their valence shell c... | CHEMISTRY - ELECTRONIC CONFIGURATIONS AND TYPES OF ELEMENTS - s-, p-, d-, f-BLOCKS | SolveeIt | Solveeit

Today, August 23

Question

Few general names are given along with their valence shell configurations. Mark the incorrect name.

A

$ns^{2}np^{6}$ - Noble gases

B

$ns^{2}np^{5}$ - Halogens

C

$ns^{1}$ - Alkali metals

D

$ns^{2} - np^{2}$ - Chalcogens

Answer

$ns^{2} - np^{2}$ - Chalcogens

Explanation

Solution

: $ns^{2}np^{2}$ are members of carbon family. Chalcogens is the general name of 16^th group elements.