What information does an atomic number give you?

What information does a mass number give you?

Why do elements in the same group of the periodic table have similar chemical properties?

How many electrons do Group 1 elements have in their outer shell?

What is another name for the Group 0 elements?

Why are Group 0 elements unreactive?

What is the charge of an Atom?

Describe the structure of an atom.

What is the relative charge of...

A) a proton?

B) a neutron?

C) an electron?

What feature of an atom determines what type of atom it is?

What is an element?

Approximately how many elements are there?

What is another name for an electron shell?

How many electrons can go in the first electron shell?

How many electrons can go in the second electron shell?

How many electrons can go in the third electron shell?

Which shell fills with electrons first?

What is a molecule?

What is an ion?

Do metal atoms form positive ions or negative ions?

Do non-metal atoms form positive ions or negative ions?

If a compound is formed from a metal and a non-metal,
what type of bonding will be present in the compound?

What type of bonding holds the atoms in a molecule together?

30 g of magnesium oxide is formed from 18 g of magnesium.
How much oxygen reacted?