Question

An element has its electronic configuration 2,8,2.
a) what is atomic number of this element.
b) what is group of this element.
c) To which period this element belongs.
d) With which element would this element resemble from the following,
N(7),Be(4),Ar(18),Cl(17).

Answer 1

Answer:

a) : 12

b) : 2nd

c) : 3rd

d) : Be(4)

Explanation:

a) : 12

b) : 2nd

c) : 3rd

d) : Be(4)

Answer 2

Explanation:

atomic number of this element is 12

this element belongs to group 2

this element belongs to period 2

it would resemble with Be (4)

please mark it as brainlist