Question

5. The atomic number and mass number
of calcium are 20 and 40 respectively
Deduce the number of neutron present in
the calcium nucleus​

Answer 1

Answer:

Answer. Number of neutrons- 40-20 =20, electrons-20 and proton -20. The mass number of an isotope is the sum of the number of protons as well as neutrons in the atomic nucleus.

Explanation:

please mark as a brillianist

Answer 2

Answer:

20

Explanation:

,20 ) proton are in calcium