which of the two is more hard: MgO or CaO? and why?
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Answered by
46
MgO is hard
because its molecule is smaller then CaO and thus the atomic strength of MgO is more then CaO....
because its molecule is smaller then CaO and thus the atomic strength of MgO is more then CaO....
Answered by
50
MgO is hard because it is smaller in size as compared to CaO and thus the atomic strength of MgO is more then CaO and the charge in case of MgO is more than CaO
therefore MgO is harder than CaO
therefore MgO is harder than CaO
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