The atomic number of third alkali metal is :

3

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11

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19

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37

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Solution

The correct option is C $19$
Alkali metals are the chemical elements found in Group 1 of the periodic table. The atomic number of third alkali metal K is 19.

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Similar questions

	Column $I$		Column $I I$
$P$	$11$	$1$	IE is maximum among the given elements
$Q$	$19$	$2$	Alkali metal
$R$	$37$	$3$	Largest size among the given elements
$S$	$55$	$4$	Position next to $K r$

2, 4, 8, 15,

19

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