What are isotopes? Flashcards
1
Q
Definition of isotopes
A
Atoms with a different number of neutrons to normal
2
Q
Definition of ions
A
Positively or negatively charged atoms by gaining or losing electrons
3
Q
What does OIL RIG stand for?
A
Oxidation Is Loss (gaining electrons)
Reduction is gain (losing electrons)
4
Q
What is the equation for specific change?
A
Specific change = Charge / Mass
5
Q
What is the unit for Charge?
A
Coulombs (C)
6
Q
What is the unit for mass?
A
Grams (g)
Or kilograms (kg)
7
Q
What is the unit for specific change?
A
Ckg ^-1
8
Q
Three properties of isotopes
A
- Same chemical properties
- Different physical properties (mass, density)
- Some have unstable nuclei and are radioactive
9
Q
5 types of non-ionising radiation
A
- Ultraviolet (UV)
- Visible light
- Infrared
- Microwave
- Radiowave
10
Q
4 examples of ionising radiation
A
- Alpha
- Beta
- Gamma (low)
- X-rays
