Chemical Bonding And Molecular Structure Question 15

Question: If the atomic number of element $ X $ is 7, the best electron dot symbol for the element is [NCERT 1973; CPMT 2003]

Options:

A) $ X. $

B) $ .X. $

C) $ .\underset{.}{\overset{.}{\mathop{X}}},: $

D) $ :\underset{.,.}{\overset{.,.}{\mathop{X}}},. $

Show Answer

Answer:

Correct Answer: C

Solution:

Element -X- has atomic no. 7 so its electronic configuration will be 2, 5. So its electron dot symbol would be $ :\underset{.}{\mathop{\overset{.}{\mathop{X}},}},. $



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