Class Notes: Structure of Atoms
Read pages 92-98 in Matter: Building Blocks of the Universe
Write definitions for each of the following as you read:
Atomic Mass Unit (amu):
Draw a picture of an atom. Label the nucleus, protons, neutrons, and
electrons. It should be drawn to scale.
Answer the following questions:
Protons have which type of charge?
Electrons have which type of charge?
Neutrons have which type of charge?
Which is smallest: protons, neutrons, or electrons?
What determines which element an atom is?
What is the center of the atom called?
Which subatomic particles are in the nucleus?