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Biology
9th Grade
10/20/2010

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Term
matter
Definition
Anything that has a mass an takes up space
Term
Three states of matter
Definition
Solid example ice
liquid example water
Gas example stream
Term
Atom
Definition
Atoms are The fundamental unit of any kind of matter.
Term
Proton
Definition
A positive charged located in the center
Term
Neutron
Definition
A uncharged an located in the neutron
Term
Electron
Definition
A negative charged located outside the nucleus
Term
Element
Definition
A specific type of substance that is identified by the number of positive particles, or protons, it has.
Term
Ion
Definition
A charged species that results from the gain or lost of electrons
Term
Chemical Bond
Definition
A attractive force between two atoms that hold them together
Term
Covalent Bond
Definition
An attractive force between two atoms two atoms come from sharing eletrons
Term
Ionic Bond
Definition
An attractive force between two ions that comes from their opposite charges
Term
Chemical reaction
Definition
a process that results results
Term
Reactant
Definition
A substance that is used up in a chemical reactions
Term
Product
Definition
A substance re formed during chemical reactions as reagents are consumed
Term
Compound
Definition
Something created by mixing two or more thing
Term
Periodic Table
Definition
Show chemical element
Term
Three states of matter
Definition
Solid example ice
liquid example water
Gas example stream
Term
solid
Definition
A substance that has a fixed shape and volume.
Term
liquid
Definition
A substance that has no fixed shape but does have a fixed volume
Term
gases
Definition
A substance that has no fixed volume and no fixed shape
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