Chemistry, asked by Zooeydinh3134, 1 year ago

An element at. No. 20 &17 form a compounf etite position of atom in modern

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Answered by vishalgajranideepak

0

The element having no 20 is Ca and element with no 17 I'd Cl.

Position for Ca: Group - 2,8,8,2.

Period - 2

Position for Cl: Group - 2,8,7

Period - 17

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