atoms- three subatomic particles Flashcards
1
Q
what are the three subatomic particles
A
protons
neutrons
electrons
2
Q
description of protons
A
it is positively charged
relative mass: 1
relative charge: +1
3
Q
description of neutrons
A
it is neutral
relative mass: 1
relative charge: 0
4
Q
description of electrons
A
it is negatively charged
relative mass: 0.0005
relative charge: -1
