Group - Vertical column of elements., Period - Horizontal row of elements, Atomic Number - The number unique to each element. , Metals - Largest group found on the left hand side of the zig zag line., Non - Metals - Found on the right hand side of the Periodic Table.., Alkali Metals - Group 1 elements. very reactive metals., Halogens - Group 7 elements. Very reactive non - metals., Transition Metals - The less reactive metals found between groups 2 & 3., Noble Gases - The group 0 elements that are very unreactive., Solid - The state of matter that most elements are found.,

Periodic Table

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