Out of MgO and CaO, which one is hard and why?

1.	Out of MgO and CaO, which one is hard and why?
Answer» MgO is hard becoz Mg ATOM is more smaller than ca atom nd hence its bond ith o atom will be STRONGER . hope that it helps u .........mark BRAINLIEST if it's CLEAR try to paint the EARTH green .....plant more trees nd say others also the same.

Answer»

MgO is hard becoz Mg ATOM is more smaller than ca atom nd hence its bond ith o atom will be STRONGER .

hope that it helps u .........mark BRAINLIEST if it's CLEAR

try to paint the EARTH green .....plant more trees nd say others also the same.

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