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 chloride.

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Solution

Atomic number of 'M' = 12

(i)Electronic configuration : 2, 8, 2

(ii)Since, the valence shell contains 2 electrons, it belongs to group 2.

(iii)M is a metal.

(iv)The formula of its chloride is M $C l_{2}$ .

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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 chloride.

Atomic number of 'M' = 12 (i)Electronic configuration : 2, 8, 2 (ii)Since, the valence shell contains 2 electrons, it belongs to group 2. (iii)M is a metal. (iv)The formula of its chloride is M Cl2.

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 chloride.

Atomic number of 'M' = 12

(i)Electronic configuration : 2, 8, 2

(ii)Since, the valence shell contains 2 electrons, it belongs to group 2.

(iii)M is a metal.

(iv)The formula of its chloride is M $C l_{2}$ .