Physics, asked by 23architavishwakarma, 23 days ago

viii) An element ‘X’ has atomic number 12.
(a) Write its electronic configuration and valency.
(b) Name the period and group to which it belongs.
(c) Write the formula of its carbonate.

Answers

Answered by opgorain

2

Answer:

An element ‘X’ has atomic number 12. X is Magnesium

its electronic configuration = 2,8,2

valency = 2

the period = 3rd

group = 2nd

formula of its carbonate. = MgCO3

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