Question

1). An element has its electronic configuration as (2,8,3).


Answer the following questions:


a) What is the atomic number of this element?

b) Name the element.

c) To which period does this element belong?

d) To which group does this element belong?

e) With which of these elements would this element resemble? (atomic numbers

are given in the brackets)

N (7) ,B (5) ,Ar (18), Cl (17)​

Answer 1

a. 13

b. Aluminium

c. 3rd period

d. 13th group

e. Boron (5)

$\bold{Hope\;it \; helps\;!}$