Matter And Energy

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created 5 years ago by spiritalvibe
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chemistry
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1

Atom

The basic unit of a chemical element.

2

Boiling Point

The temperature at which a liquid boils and turns to vapor.

3

Chemical

Relating to chemistry or the interactions of substances as studied in chemistry.

4

Chemical Change

A usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance: The formation of rust on iron is a chemical change.

5

Chemical Property

A property or characteristic of a substance that is observed during a reaction in which the chemical composition or identity of the substance is changed: Combustibility is an important chemical property to consider when choosing building materials.

6

Chemical Reaction

A process that involves rearrangement of the molecular or ionic structure of a substance, as opposed to a change in physical form or a nuclear reaction.

7

Compound

Ah thing that is composed of two or more separate elements; a mixture.

8

Conservation Of Mater

The principle that in any closed system subjected to no external forces, the mass is constant irrespective of its changes in form; the principle that matter cannot be created or destroyed. Expand.

9

Endothermic

(Of a reaction or process) accompanied by or requiring the absorption of heat.