The element 'M' has an atomic number 11.

(a) What is it's electronic configuration?
(b) Which group does 'M' belong to?
(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 = 11

(i) Electronic configuration: 2, 8, 1

(ii) Since the valence shell contains 1 electron, it belongs to group 1.

(iii) M is a metal.

(iv) The formula of its chloride is MCl.

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The element 'M' has an atomic number 11. (a) What is it's electronic configuration? (b) Which group does 'M' belong to? (c) Is 'M' a metal or a non-metal? (d) Write the formula of its chloride.

Atomic number of M = 11 (i) Electronic configuration: 2, 8, 1 (ii) Since the valence shell contains 1 electron, it belongs to group 1. (iii) M is a metal. (iv) The formula of its chloride is MCl.

The element 'M' has an atomic number 11.

(a) What is it's electronic configuration?
(b) Which group does 'M' belong to?
(c) Is 'M' a metal or a non-metal?
(d) Write the formula of its chloride.

Atomic number of M = 11

(i) Electronic configuration: 2, 8, 1

(ii) Since the valence shell contains 1 electron, it belongs to group 1.

(iii) M is a metal.

(iv) The formula of its chloride is MCl.