Atoms
Molecules and Compounds
Periodic Table
Macromolecules
Other
100

What is an atom? 

The smallest unit of matter

100

N2 is an example of a...

Molecule

100

What is the chemical symbol for Chlorine? 

Cl

100
What macromolecule give you immediate energy? 

Carbs

100

What is a mixture? 

2 things mixed together do not change chemically. 

200

What are the charges of protons, neutrons, and electrons? 

Protons (+)

Neutrons (0)

Electrons (-)

200

H2O is an example of a...

Molecule AND a Compound

200

How many protons does Gallium have? 

31

200

Fats, Avocado, oils are examples of...

lipids (fats)
200

What is a suspension? 

To things mix together evenly at first, but eventually the heavier part sinks to the bottom. 

300

Where are protons, neutrons, and electrons found in an atom? 

Protons and Neutrons - Nucleus

Electrons - Orbit around the nucleus

300

What elements are contained in the compound CaCO3?

Calcium

Carbon

Oxygen

300

How many electrons does Chromium have? 

24

300

What do we use proteins for? 

Building blocks of the body

300

What is a chemical formula?

Written combination of elements in a molecule or compound.

ex. C6H12O6

400
How many electrons does an atom need in its' outer shell to be "happy" or "complete?"

2 - if there's only 1 shell

8 - if there's more than 1 shell

400

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

400

How many Neutrons does Arsenic have? (Round to the nearest whole number)

42

400

What 2 elements are found in all macromolecules? 

Carbon and Hydrogen

400

What are the elements needed for life (there are 6)?

Carbon

Hydrogen

Nitrogen

Oxygen

Phosphorus

Sulfur

500

What do we call an atom that has too many or too few electrons? 

Ions

500

What are the 2 things you need to be an ORGANIC compound? 

Carbon and Hydrogen

500

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

500

What do we use nucleic acids for? 

Genetic storage

500

What is the force that holds atoms together?

Energy!