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Science PT...

Periodic Table

Diff. type of elements arranged in what two major categories? Metals and Nonmetals
Types of Elements on PT? Gases, Liquids, solids (The 3 Faces of Matter)
What is the Atomic Number? llllll l 11 l l Na l 11- Atomic # l 22.99 llllll Number of protons in the nucleus, and the number of electron surrounding the nucleus.
What is the Mass Number? --- The bigger number in the square... Number of protons and neutrons in the nucleus
Period? The HORIZONTAL ROW (left to right)
Group/Family? # 1-18 VERTICAL ROW!! Elements are arranged by atomic #
Periodic Table let us... Organize our knowledge about elements and groups of elements into a basic table
Created by: monkeygurl101