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Science 9 Unit 2
Chapter 2 Elements Review
Atomic number
Noble Gas
Periodic table
Atomic mass
Alkali metal
Alkaline earth metal
Family/ Group
Students should be able to:
Give symbol, name, mass and number for an element (using periodic table)
Describe how the periodic table was developed and how it is organized
Define period and group/ family
Identify which group certain elements belong to
Identify characteristics of each group (Alkali metals, halogens etc)
Differentiate between metals, non-metals and metalloids
Determine the number of subatomic particles in an atom of an element using the periodic table
Draw and interpret Bohr diagrams
Determine the valance of an element (use Bohr diagram)