1. What are the 3 subatomic particles that make up an atom?

2. The nucleus contains what subatomic particles and what are their charges?

3. What analogy can you use to describe how electrons travel around the nucleus?

4. How do atoms of different elements differ?

5. What is the smallest component that makes up a cell?

1. What is the difference between a molecule and a compound?

2. What is the difference between and atom and an element? If so, what is it?

1. You can find the number of protons in an atom from its _______.

2. In a stable atom, the # of electrons is the same as the # of _______.

3. Atomic mass = the mass of the _______ plus the mass of the _____.

4. How would you find how many neutrons are in an atom by simply using the element individual tiles?