Atoms
What charge does a proton have?
Positive
Why does ice float instead of sink?
Frozen water is less dense
What is an acid?
Releases hydrogen ions when dissolved in water
What is diffusion
The movement of particles due to collision
What kind of bond involves sharing electrons?
Covalent
How many electrons can go in the second valence electron shell
8
What property of water allows water to travel against the flow of gravity?
Capillary Action
What is a base?
Releases Hydroxide Ions when dissolved in water
Give three examples of diffusion
Kool-Aid
Air Spray
Coffee
What are the monomers of proteins?
Amino Acids
Define an isotope.
Differs in number of neutrons
What is the property of water where water likes to stick to itself
Cohesion
If something has a pH of 7 what is it considered?
Neutral
What does temperature do the rate of diffusion?
Increases it
Define Metabolism
All the chemical reactions in an organism
What bond involves positive and negative attraction?
Ionic Bond
What property of water allows for water based lifeforms to maintain stable internal temperatures?
Temperature Change Resistance
Name two strong acids
Stomach Acid
Lemon Juice
Vinegar
Soda
Coffee
What is the difference in concentration of substance across a space
Concentration Gradient
What is a protein that speeds up a chemical reaction?
Enzyme
What kind of bonds hold water molecules together?
Hydrogen Bonds
What property of water allows it to dissolve many substances
Universal Solvent
Name two strong bases
Baking Soda
Drain Cleaner
Ammonia
Bleach
Antacids
What solution has a low solute concentration and causes cells to swell and burst?
Hypotonic
What do you call it when water is added to split apart molecules?
Hydrolosis