Atoms Flashcards
1
Q
What are the three subatomic particles in an atom?
A
Protons, neutrons and electrons
2
Q
Protons?
A
- positively charged
* determines type of atom
3
Q
Neutrons?
A
• neutral charge
4
Q
Electrons?
A
- negatively charged
- ‘fly’ around the nucleus
- much lighter than other particles