How many different types of atom are there?

What is an ELEMENT?

What is a MOLECULE?

What is a COMPOUND?

What are the 3 states of matter?

What is special about each group in the periodic table?

What is the nucleus of an atom surrounded by?

What 2 things are in the nucleus of an atom?

If an atom has 8 protons how many electrons does it have?

What is the relative charge of a
a) neutron
b) electron
c) proton

What is the name for the 'number of protons' each atom has in an element?

What is the 'mass number' of an atom?

How are atoms arranged in the periodic table?

What does each shell represent?

How can we tell how many electrons are in the outer shell of an atom?