1. I. Structure of the Atom Chemical Symbols Subatomic Particles
Atomic Structure
I. Structure of the Atom
Chemical Symbols
Subatomic Particles

2. Metal that forms bright blue solid compounds.
A. Chemical Symbols
Capitals matter!
Element symbols contain ONE capital letter followed by lowercase letter(s) if necessary.
Metal that forms bright blue solid compounds.
Co vs. CO
Poisonous gas.

3. B. Subatomic Particles in a neutral atom Most of the atom’s mass.
NUCLEUS
ELECTRONS
in a neutral atom
PROTONS
NEUTRONS
NEGATIVE CHARGE
POSITIVE CHARGE
NEUTRAL CHARGE
Most of the atom’s mass.
Atomic Number
equals the # of...

4. B. Subatomic Particles Quarks 6 types 3 quarks = 1 proton or 1 neutronHe
3 quarks = 1 proton or 1 neutron