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vocabulary words.
bilogy
25
Biology
9th Grade
10/20/2010

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Term
Volume
Definition
mass or quanitity
Term
Density
Definition
measures how much mass is contained in a given unit volme
Term
matter
Definition
anything that takes up space and has mass
Term
solid
Definition
a substace that has a fixed volume
Term
liquid
Definition
a substance that has no fixed shape but has a fixed volume
Term
gas
Definition
a substance that has no fixed volume or no fixed shape
Term
atom
Definition
the fundamental unit of chemical mater
Term
element
Definition
a substace that is made up of atoms
Term
electron
Definition
a negative charge located outside of the nucleus
Term
proton
Definition
a positive charge located in the nucleus.
Term
neutron
Definition
an uncharged particle located in the nucleus
Term
Ion
Definition
a substace that is made up or atom with the same number of protons
Term
chemical bond
Definition
sharing one or more electrons
Term
compound
Definition
something created by mixing 2 or more things
Term
Product
Definition
a substance that is made up in a chemical reaaction
Term
reactant
Definition
a substance that is used up in a chemical reaction
Term
chemical reaction
Definition
a process that results in either the breaking down or building of a new substance
Term
ionic bond
Definition
occurs between 2 ions that come from their opposite charges.
Term
covalent bond
Definition
an attractive force between atoms that come from sharing electrons
Term
Product
Definition
A substance that is made up in a chemical reaction.
Term
compound
Definition
Something created by mixing two or more things
Term
peridoc table
Definition
A table of elements that are sorted using their atomic numbers
Term
Macromolecule
Definition
A giant formed by the joining together of thousands of molecules
Term
Carbohydrate
Definition
Organic molecules that contain only carbon, hydrogen, and oxygen .
Term
Disaccharide
Definition
Any class of sugar that are composed to monosaccharide, or simple sugars
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