Answer:
:0
Explanation:
One second after the Big Bang, the universe was filled with neutrons, protons, electrons, anti-electrons, photons and neutrinos.Jun 17, 2017
-they are inside the nucleus of an atom
- they have a relative charge of +1
- they have a relative mass of 1
I think It’s 55 but that’s just me
The answer to this is 22, confirmed by gradpoint