Atoms and the Periodic Table

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The periods in the periodic table are...

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The horizontal rows of the periodic table.

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Group or family on the periodic table is...

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The vertical columns of the periodic table

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Metals on the periodic table are…

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A class of elements characterized by physical properties that include shininess and conductivity.

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Non-metals on the periodic table are…

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An Element that lacks most of the properties of a metal.

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Metalloids on the periodic table are…

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An element that has some characteristics of both metals and non-metals.

Front

What is a chemical Symbol?

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A one or two letter abbreviation derived from the elements English of Latin name.

Front

Atomic Number

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The number of protons in the nucleus and the number of electrons in the electron cloud.

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Atomic mass

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The sum of the protons and neutrons.

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What state of matter are most of the elements in the periodic table?

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Solid

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What happens to atomic number as you go left to right across the periodic table?

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It increases