Subatomic Particles Flashcards
1
Q
The atom is composed of several dozen parts called what?
A
Subatomic particles
2
Q
What element has only one proton and one electron?
A
hydrogen
3
Q
How fast does an electron travel?
A
Close to the speed of light
4
Q
What particles are present in the nucleus of all atoms except a certain type of hydrogen atom?
A
Neutrons
5
Q
Which has the least amount of mass - proton, neutron or electron?
A
The Electron
6
Q
Name two types of hydrogen isotopes.
A
deuterium and tritium
