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Chemistry

Give reasons :

(i) Inert gases do not form ions.

(ii) Ionization potential increases across a period — left to right.

Periodic Table

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Answer

(i) Inert gases have completely filled octet which makes them extremely stable. They neither lose, nor gain electrons. Hence, they do not form ions.

(ii) The ionization potential of an element increases across a period because the atomic size decreases due to an increase in nuclear charge and electrons in the outermost shell are more strongly held because of which greater energy is required to remove the electron.

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