Question

An element has its electron configuration as 2, 8, 2. Now answer the following questions.
(1) What is the group of this element?
(2) To which period does this element belong?

Answer:-
1). Atomic number 12
2). Period 3​

Answer 1

Answer:

Group 2 of the periodic table is also called the 2A group. Hence the group number of the element with atomic number(Z)= 12 is 2A and the period number is 3.

Answer 2

Answer:

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