Question

Q2 A certain atom has atomic number 20 and atomic mass 40. Give the number of
protons-
neutrons-
electrons-


only answers​

Answer 1

Answer:

protons = 20

neutrons = 20

electrons = 20

Explanation:

All 20 because

No. of protons = no. of neutrons= no. of electrons

Answer 2

proton : 20

proton : 20

neutron : 20