What do you call an atom with one proton?

The element hydrogen has the simplest atoms, each with just one proton and one electron. The proton forms the nucleus, while the electron orbits around it. All other elements have neutrons as well as protons in their nucleus, such as helium, which is depicted.

Hydrogen

Explanation:

The element hydrogen has the simplest atoms, each with just one proton and one electron. The proton forms the nucleus, while the electron orbits around it.

if you already have the answer to (a), then just work out how many periods there are in 1 minute, and that's the answer to (c).

i think if it were me i whould divide 300 dide 15

step-by-step explanation: