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

Academic Chemistry NCERT Class 10

(a) The electronic configuration of M (atomic no. 12) is 2, 8, 2.

(b) As M has 2 valence electrons, hence, it belongs to the 2nd group.

(c) M is metal as it has 2 valence electrons.

(d) The formula of its oxide is MO, as both oxygen and M have a valency of 2.

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Updated on: 10-Oct-2022

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