Chemistry Flashcards
1
Q
What are 3 isotopes of hydrogen?
A
Tritium, Protium, Deuterium
2
Q
Properties of a solid?
A
Strong forces, regular pattern, vibrate around a fixed position (Low energy)
3
Q
Properties of a liquid?
A
Weaker forces, randomly arranged, Slide past each other (Greater energy)
4
Q
Properties of a gas?
A
Almost no force, randomly arranged, moves quickly in all directions (Highest energy)
5
Q
What is Irradation?
A
When an object/person is exposed to nuclear radiation
6
Q
What is contamination?
A
When radioactive atoms get onto other materials
7
Q
Name some types of energy?
A
Kinetic energy, heat energy, light energy
8
Q
What are Group 7 Elements?
A
The halogens
9
Q
How many electrons are in the halogens outer energy level?
A
7
