Question

An element A has 2 electrons in its third shell. State:
i. Its electronic configuration.
ii. Its atomic number.
iii. Its group number in periodic table.
iv. Its period number in periodic table.
v. Is it a metal or non metal?
vi.
Is it an oxidizing or reducing agent?​

Answer 1

An element has its electron configuration as 2, 8, 2.

a. The atomic number of this element is 12.

b. The group number of this element is second.

c. This element belongs to third period.

d. This element resembles with Be(2).

Answer 2

Answer:

281+182+181++181;282;281;181;191;