Period Positions

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8 Terms

1
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Main Group

Group 1 - 2 & Groups 13 - 18

2
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Transition Metals

Groups 3 - 12

3
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Inner-transition metal elements

Elements separate from the Periodic Table (Has Uranium)

4
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Alkali Metals

Group 1 (Violent H20 reactions)

5
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Alkaline Earth Metals

Group 2 (never found in pure form like group 1)

6
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Halogens

Group 17 (7A) (Found in nature)

7
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Nobel Gases

Group 18 (8A) (Low reactivity)

8
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Semi-Metals Metalloids

Boron [B], Silicon [S], Germanium [Ge], Arsenic [As], Tellurium [Te], Astatine [At]