Chemistry, asked by aritra2716, 1 year ago

Given below are some elements of modern periodic table atomic number of element is given below a4 b9 c 14 de 1920 which element has one electron in outermost shell also write its electronic configuration which of two element belong to same group which of two element belong to same period which one is atomic radii

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Answered by Haridhillor

0

a = Berilliym. b = Fluorine c =silicon. d = potassium. E = calcium and. potassium [Ar]4s'

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