Question

An atom has electronic configuration 2, 8,2. (i) What is the atomic no. of this element? (ii) Is it a metal or non-metal?

Answer 1

. atomic no= 12
. it ia a metal

Answer 2

hello ...

An atom has electronic configuration 2, 8,2.
(i) What is the atomic no. of this element?
(ii) Is it a metal or non-metal?

$\mathfrak{\huge{\blue{Answer.}}}$

(i)it's atomic number is 12 and it is magnesium

(ii) magnesium is a metal

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