Question

an ion X charge plus 2 contains 10 electrons and neutrons what is the atomic number and mass number of an element X is it possible in an atom to have 12 protons and 13 why helium gas is inert​

Answer 1

Answer:

Atomic no. = 8

coz it donate 2 e-

we know that

no. of e- = no. of proton

it complete its octate so that it has helium gas inert

Answer 2

Answer:

No. of electrons = No. of protons

Hope it will hlp uh♥️