Question

An element ‘M’ has atomic number 11.

(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.​

Answer 1

(a):

Na= 2, 8, 1

(b):

Sodium is a Group 1 element

(c):

metal

(d):

NaCl

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Answer 2

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