VOCABULARY
These are the mass of a proton and are negatively charged
Elecron
Living things are made up of this __________
Chemical Compounds
The chemical compound for salt
Cl - Na +
This macro molecule is made up of fats, oils, & wax
Lipids
Elements that enter into a chemical reaction are known as
Reactants
The center of an atom
Nucleus
Helium has two protons, two electrons, and two ____
Neutrons
A solvent is the substance that...
dissolves
this macro molecule is a source of energy
Carbohydrate
Compounds produced by chemical reactions are known as
Products
In Greek it means unable to be cut.
Atom
Isotopes of Carbon have a ratio of i:__: ___
2: 1
The substance that is dissolved is this
the Solute
This macro molecule is composed of C, H, O, N
Protein
CO2 + H2O --->
H2CO3
A substance formed by two or more elements.
Compound
A compound is a chemical combination of ___ or ____ elements.
Two or more
The measurement system that measures the concentration of H ions in solutions is the
PH Scale
The monomer of this macro molecule is nucleotide
Nucleic Acid
These are proteins that act as biological catalysts
Enzymes
The smallest unit of most compounds
Molecule
A chemical bond in which electrons are shared between atoms is called
Covalent Bond
This fruit is more acidic than soap
Tomato or lemon
All Macro Molecules contain this
Carbons
Chemical reactions either absorb or release this
Energy