Atoms Flashcards
1
Q
Name the 3 subatomic particles that make up an atom
A
Proton, neutron, electron
2
Q
protons
A
- Heavy
- Positively charged
3
Q
Neutrons
A
- Heavy
- Neutrally charged
4
Q
Electrons
A
- Hardly any mass
- Negatively charged
5
Q
What is the middle of an atom?
A
The nucleus
6
Q
What subatomic particles are in nucleus?
A
Protons and neutrons
7
Q
What subatomic particles orbit the nucleus?
A
Electrons
8
Q
How is an ion created?
A
Add or remove electrons
9
Q
How is an ion created?
A
Add or remove electrons
10
Q
How is an ion created?
A
Add or remove electrons
11
Q
Atomic number
A
Number of protons
12
Q
Mass number
A
Number of protons and neutrons
13
Q
Molecule
A
Group of atoms joined together
