Question

The atomic number of an element is 13 and its mass number is 27.
(a) How many protons are present in it?
(b) What is the number of neutrons in it?
(c) Write its electronic configuration.

Answer 1

Answer:

Atomic number is 13 and mass number is 27. So,

Explanation:

(a) 13 protons are present

(b) 27-13 = 14 Neutrons are present

(c) Electronic configuration is 2,8,3..

Answer 2

Answer:

protons are 13

14 neutrons

k l m n

2 8 3