Question

An element M has atomic number 12
(a) Write its electronic configuration
(b) State the group to which M belongs to
(c) Is M a metal or a non-metal?(d) Write the formula of its oxide.
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Answer 1

Answer:

electronic configuration of element =2,8,2

or 1s² 2s² 2p⁸

group no. 2 earth metal

earth metal

name of metal is magnesium

Answer 2

[kr]4d5,5s1

6th group

molybdenum

non metal