Answer the question

What particle always has a mass of one atomic mass unit (amu) and no charge?

OPTIONS:
- a neutron
- a proton
- an electron
- an atom
a neutron
Svara på frågan Vilken partikel har alltid en massa av en atommassaenhet (amu) och ingen laddning? Alternativ: - en neutron - en proton - en elektron - en atom
Answer the question Which particle always has a mass of a atomic mass unit (amu) and no charge? Option: - a neutron - a proton - an electron - an atom
en neutron
a neutron