Question

what is the atomic radii of nobel metals as compared with other elements large aor small i mean..... do they follow decreasing atomic radii trend in the periodic table give reasons

Answer 1

atomic radii of Nobel metals is smaller compared to other elements this is why because Nobel gases have high ionisation energy.

ionisation energy means the minimum energy required to remove an outermost electron of a gases state atom is known as ionisation energy.

so we need more energy to take an electron from outermost shell as it atomic radii is very small.

so they follow decreasing atomic radii trend

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