Question

11.

Which statement are TRUE about protons.

a they have a positive charge
b they have a mass over 1800 times greater
than the mass of an electron
they were the first subatomic particles to be
С
discovered
d they repel electrons

Answer 1

hoping this is a 2 mark answer a,b

Step-by-step explanation:

electrons were the first subatomic particle to be discovered

protons + proton = repel

proton + electron = attract