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Chemistry

Published on Nov 30, 2015

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PRESENTATION OUTLINE

CHEMICAL

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ATOM

THE BASIC UNIT OF CHEMICAL ELEMENT.
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ELEMENT

EACH OF MORE THAN 100 SUBSTANCES.

MOLECULE

A GROUP OF ATOMS BOUNDED TOGETHER.
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COMPOUND

2 SEPARATE ELEMENTS COMPOSED INTO ONE.

PHYSICAL CHNGE

A CHANGE FROM 1 STATE TO ANOTHER

CHEMICAL CHANGE

A CHANHE IN MATTER THAT PRODUCES A NEW SUBSTANCE.

LAW OF CONSERVATION

MATTER CAN NOT BE CREATED OR DESTROYED
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