An element has $2$ electrons in its $N$ shell,
(iv) State the name assigned to this group.

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Solution

$∙$ Since the element has $2$ electrons in its $N$ shell thus, $N$ is the outermost shell.
$∙$ The element has $2$ valence electrons thus, it belongs to group $2$ which is known as alkaline earth metals.

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An element has 2 electrons in its N shell, (iv) State the name assigned to this group.

∙ Since the element has 2 electrons in its N shell thus, N is the outermost shell. ∙ The element has 2 valence electrons thus, it belongs to group 2 which is known as alkaline earth metals.

An element has $2$ electrons in its $N$ shell,
(iv) State the name assigned to this group.

$∙$ Since the element has $2$ electrons in its $N$ shell thus, $N$ is the outermost shell.
$∙$ The element has $2$ valence electrons thus, it belongs to group $2$ which is known as alkaline earth metals.