The atomic number of Carbon (C)
6
Atomic mass of Iron
56
Subatomic particle with NO charge
Neutrons
Subatomic particle with a POSITIVE charge
Protons
The atomic number is equal to the number of what subatomic particle
Protons
Subatomic particles that are found in shells around the nucleus
Electrons
Subatomic particles that are found in the nucleus
Protons and Neutrons
The color of a substance switches from white to green. What type of change is taking place?
Chemical Change
In an chemical equation, what are the molecules called on the right side of the arrow
Products
Boiling water is what type of change?
Physical Change
Liquid, Solid, Gas
When balancing an equation, where can YOU add a subscript
NOWHERE
A reaction that gives off energy
Exothermic Reaction
protons and neutrons in the nucleus
A reaction that absorbs energy
Endothermic Reaction
The atomic mass minus the atomic # is equal to what?
# of Neutrons
H2 + O2 -> H2O
2H2 + O2 -> 2H2O
S8 + O2 -> SO2
S8 + 8O2 -> 8SO2
CH4 + O2 -> CO2 + H2O
CH4 + 2O2 -> CO2 + 2H2O
What is the Law of Conservation of Mass and Energy?
Matter and energy cannot be created or destroyed only rearranged