What is an atom?
The smallest unit of matter
N2 is an example of a...
Molecule
What is the chemical symbol for Chlorine?
Cl
Carbs
What is a mixture?
2 things mixed together do not change chemically.
What are the charges of protons, neutrons, and electrons?
Protons (+)
Neutrons (0)
Electrons (-)
H2O is an example of a...
Molecule AND a Compound
How many protons does Gallium have? 
31
Fats, Avocado, oils are examples of...
What is a suspension?
To things mix together evenly at first, but eventually the heavier part sinks to the bottom.
Where are protons, neutrons, and electrons found in an atom?
Protons and Neutrons - Nucleus
Electrons - Orbit around the nucleus
What elements are contained in the compound CaCO3?
Calcium
Carbon
Oxygen
How many electrons does Chromium have? 
24
What do we use proteins for?
Building blocks of the body
What is a chemical formula?
Written combination of elements in a molecule or compound.
ex. C6H12O6
2 - if there's only 1 shell
8 - if there's more than 1 shell
For full credit on this question, tell me if the following are elements, molecules, or compounds:
NaHCO3 ________
Cl2 _________
MgCl ________
Pb ________
NaHCO3 = Compound
Cl2 = Molecule
MgCl = Compound
Pb = Element
How many Neutrons does Arsenic have? (Round to the nearest whole number)
42
What 2 elements are found in all macromolecules?
Carbon and Hydrogen
What are the elements needed for life (there are 6)?
Carbon
Hydrogen
Nitrogen
Oxygen
Phosphorus
Sulfur
What do we call an atom that has too many or too few electrons?
Ions
What are the 2 things you need to be an ORGANIC compound?
Carbon and Hydrogen
BONUS: This is a harder one. Look at my periodic table. What is the color of the "Noble Gases" on the periodic table - the elements that are complete?
Light blue
What do we use nucleic acids for?
Genetic storage
What is the force that holds atoms together?
Energy!