To become stable.
Why do atoms gain or loses electrons?
Covalent Bond
What is a shared pair of electrons between two non-metal atoms called?
Electron, Proton, Neutron
What are the three subatomic particles?
Conductor
What word is used to describe a material which allows electricity to flow through it?
Electrostatic
What word is used to describe the force that holds ions together?
It is Linear
What shape does CO2 have?
Neutral
What is the overall charge of an atom?
Low melting and boiling points
How can we describe the melting and boiling points of covalent molecules?
Ions are free to move
Why do ionic substances conduct when in solution?
Weak attractions instead
What is present in covalent molecules which makes them easier to break apart?
2,8,8
How many electrons are held in the first 3 shells?
What is the only covalent structure which can conduct electricity?
Positive ion
What type of ions to metals always form?

Draw Methane
Valence
What is another name used to describe the outer shell in an atom?
They are all diatomic
What do all these elements have in common;
-Nitrogen
-Fluorine
-Chlorine
-Bromine
-Iodine
-Oxygen
Polarity in the water
Why are the water molecules about to pull apart ionic lattices with oppositely charged ions?
Can be a solid, Liquid or gas
Group Number
What can be used on the periodic table to tell you the number of outer electrons?
Solid only
What state are covalent networks in at room temperature?