Atoms, Elements, and Compounds
Chemical Reactions
Water and Solutions
The Building Blocks of Life
Misc.
100
These are the building blocks of matter
atoms
100
What are the starting substances of a reaction (items on the left side)?
reactants
100
This type of mixture has a uniform composition throughout.
homogenous mixture
100
This macromolecules store and transmit genetic information.
nucleic acids
100
This compound is made of two monosaccharides put together.
disaccharide
200

Part of atoms involved in chemistry

electrons

200
The specific location where an substrate binds on an enzyme is called the __________.
active site
200
This substance releases hydrogen (H+) ions.
acid
200
This is a complex macromolecule. It contains a central carbon atom, carboxyl group, amino group, and side chain.
Protein (specifically amino acids - accept both)
200
This type of reaction releases heat energy.
exothermic
300
These are positively charged particles
protons
300
This states that matter cannot be created or destroyed.
Law of conservation of mass
300
This is a property of having two opposite poles (water has this characteristic).
polarity
300
Carbon can form how many covalent bonds?
Four
300
These particles are found outside the nucleus.
electron
400
These are particles of an atom that have no charge
neutron
400
Identify the proteins that speed up the rate of chemical reactions
enzymes
400
This is a weak interaction involving a hydrogen atom and a fluorine, oxygen, or nitrogen atom.
hydrogen bond
400
This type of fat has only single bonds between the carbon atoms.
saturated fat
400
This is a substance that lowers the activation energy needed to start a chemical reaction.
Catalyst (enzyme is a biological catalyst - accept both)
500
This is a pure substance that cannot be broken down into other substances by physical or chemical means.
element
500
This is the minimum amount of energy needed for reactants to form products in a chemical reaction.
activation energy
500

Which part of water molecule has a negative charge?

Oxygen

500
What are the four macromolecules?
carbohydrates, lipids, proteins, nucleic acids
500
Bond by sharing electrons

Covalent

M
e
n
u