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Chemisty Class

Published on Nov 20, 2015

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PRESENTATION OUTLINE

Chemisty Class

Vocabulary words. 
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Proton

Positive charge of the atom; located in the nucleus
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Electron

negative charge of the atom; located outside the nucleus. 
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Neutron

Neutral charge of an atom; located in the nucleus.

Halogen

Non-reactive elements that form strongly acidic compounds with hydrogen. 
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Period

The name of each horizontal row in the periodic table.
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Group

The vertical row of the periodic table. 

Periodic Table

A table full of chemical elements organized in their atomic mass
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Atomic Mass Unit

Defined as 1/12 the mass of an carbon 12 atom. 
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Noble Gases

Non-metals who make up the last group of the periodic table.
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Hectameter

A metric unit of length