Question

If the mass number is 36 and the atomic number is 20, the number of neutrons is?

Answer 1

16.

Answer 2

Thanks. Would the answer be 8 to this:
Boron has an atomic number of 5. If you could add 3 protons to the nucleus of the boron atom, the name of the new atom would be ?

Answer 3

how can u add protons,tell me.

Answer 4

I have no clue ..

Answer 5

u can't add protons i think,u can just rem0ve or add electronsss.

Answer 6

So in this case, I would subtracting?

Answer 7

u just keep this in mind.
atomic no=no of protons=no of electrons
mass no=no of neutrons + no of protons
nucleus comprises of protons and neutrons.the mass of the atom is almost contributed by the nucleus.

Answer 8

Thanks.

Answer 9

welcome dear.

Answer 10

atomic no=no of protons=no of electrons did you mean subtract in somewhere in this?