What are the 3 states of matter?
Solid, Liquid and Gas
How are the particles moving when they are in a solid state?
Vibrating about a fixed position
How are the particles moving when they are in a liquid state?
Close together but can slide over each other in random directions.
How are the particles moving when they are in a gas state?
Free to move in random directions with a range of different speeds.
What is the temperature called when a solid changes state into a liquid?
Melting point
What is the temperature called when a liquid changes state into a gas?
Boiling point
What is the change of state called when a solid changes to a gas.
Sublimation
What are the maximum number of electrons that can fit in the first 3 shells of an atom?
2,8,8
How many electrons will an element in group 4 have in its outer shell
4
How many electrons will an element in group 2 have in it's outer shell?
2
What is the name given to an atom when it has gained a charge?
An ion
If an atom loses one electron, what charge will it have?
1+
If an atom gains one electron, what charge will it have?
1-
What is the name of the force between charged objects
Electrostatic force
What is the easiest way for a sodium atom to get a full outer shell?
To lose one electron
When forming an ionic bond, what will this Chlorine atom need to do, to get a full outer shell?
To gain one electron
