Question

please solve this 5 questions

Answer 1

Answer:

Explanation:

ans-1.Atomic number=No. of protons or electrons

Mass number=No. of protons+No. of neutrons

So, atomic number=8

mass number=8+8=16

Apply the above two formulae in remaining questions...

2.6 is the answer

3.11 is the answer

4. 24Mg12

5.Number of neutrons=40-20=20

Hope you understood...