Question

PLS HELP ME GUYS ...I NEED YOUR HELP​

Answer 1

Answer:

No. of protons = No. of electrons

No. of neutrons = Atomic mass - No. of protons

Protons | Electrons | Neutrons

For Na, 11 | 11 | 12

For K, 19 | 19 | 20

Hope this answer helps you ^_^ !

Answer 2

Explanation:

here is your answer....