Question

The atomic number of an element A is 9 and that of element B is 20
. Write down the symbols of ions you would expect to be formed
from their atoms.

Answer 1

NANBA..

Element X = 8 (2,6)=oxygen

Element Y = 12 (2,8,2)=magnesium

Element X will have the ionic charge of X2- whereas Element Y will have the ionic charge of X2+..

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