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WHS Biology Level 2 (AL) Chemistry Unit
WHS Biology Level 2 (AL) Chemistry Unit
15
Biology
10th Grade
06/22/2011

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Term
Acid
Definition
A substance that forms in water and has a pH reading below 7.
Term
Base
Definition
A substance that forms in water and has a pH reading above 7.
Term
Covalent Bond
Definition
Chemical bond formed when two atoms share electrons.
Term
Ionic Bond
Definition
Bond when positive and negative charge get together.
Term
Polymer
Definition
Large molecule formed when many smaller molecules band together. Poly=Many
Term
Monomer
Definition
Small moleclue that may bind chemically with the same type to form a larger molecule.
Term
Enzyme
Definition
Protein found in all living things.
Term
Atomic Number
Definition
The number of Protons found in the nucleus of an atom.
Term
Isotopes
Definition
Atoms of the same element that have different numbers of neutrons.
Term
Substance
Definition
A particular kind of matter with the same properties.
Term
Element
Definition
Something that can't be broken down into simpler chemical substances.
Term
Compound
Definition
substance made of atoms of two or more elements that are chemically combined.
Term
Mixture
Definition
Combination of substances in which it doesn't combine chemically but retains their own properties.
Term
Solution
Definition
Mixture in whihc one or more substances are distributed evenly in another substance.
Term
Suspension
Definition
Fluid containing solid particles which settle over time (oil and vinegar dressing).
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