Atoms Flashcards
1
Q
What is the basic structure of the periodic table?
A
- Eight groups with elements of similar properties
- Metals on left
- Non-metals on right
2
Q
What is the basic structure of an atom (Sub-atomic)?
A
- Nucleus; neutron + proton (inside) + electron (orbiting outside)
3
Q
What is the nucleus?
A
- Middle
- Neutron + Electron
4
Q
What is the relative mass of a proton, neutron and electron?
A
- Proton: 1
- Neutron: 1
- Electron: very small
5
Q
What is the relative charge of a proton, neutron and electron?
A
- Proton: +1
- Neutron: 0
- Electron -1
6
Q
What is an ion?
A
- Charged atom
- Atom doesn’t have same amount of electron + proton (more E than P)
- Gain or loss of electron (+1 or -1)
7
Q
What is the atomic number?
A
- Number of protons
8
Q
What is the mass number?
A
- Proton + neutron
9
Q
How are atoms represented?
A
- Symbols
