Question

Read the following and answer any four questions from 18.1 to 18.5

In the following table, the mass number and the atomic number of certain elements are

given:

18.1 Number of neutrons present in F

a) 11 b) 6 c) 5 d) 16

18.2. Which atoms are isotopes of same element

a) A and B b) A & C c) B and C d) C and D

18.3

Atom(s) will form singly positively charged ion

a) A and C b) C and D c) A and H d) D and H

18.4. Which is the atom of an inert gas?

a) A b) B c) C d) D

18.5 Which of these has 11 electrons​

Answer 1

Answer:

sorry don't know this answer