Atoms are the small particles...

The nucleus contains the particles:

_____ moves around the outside of the atom?

Protons have a...

Neutrons have...

Electrons have...

Protons and neutrons are...

The mass number is...

The atomic number is...

How do I find the number of protons or the number of electrons?

How do I work out the number of neutrons?

What are Isotopes?

How do I work out the overall mass number?

True or False: In the periodic table, elements in vertical groups are similar.

What are the horizontal rows in the periodic table called?

The group number tells you...

Are the noble gases "happy" or "sad"? Why?

Metals and non-metals can react together by giving and gaining electrons in...

An ion is...