Using the example of salt water, describe what a solution, solute and solvent are.
Solution - mixture that appears to be a single substance (salt water); Solute - what gets dissolved (salt); Solvent - substance that dissolves the solute (water
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5
Metal Rusting, Digesting food, Fireworks, and roasting marshmallows are examples of what type of change?
Chemical Change
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20
How many Protons, Neutrons, and Electrons does Lithium have?
Protons = 3; Neutrons = 4; Electrons = 3
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20
Give at least 2 ways the periodic table is organized
Rows called Periods; Columns called Groups; Increasing atomic number; Valence Electrons
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25
Describe or Draw a Bohr Model for Fluorine - Found in Period 2
Should have 9 protons and 10 Neutrons in the Nucleus; 2 electrons in shell 1 and 7 electrons in shell 2
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10
What is the term used for the left side of a chemical equation? Right Side?
Reactants and Products
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15
Describe what happens in a convection current?
Warm less dense fluid rises, while cooler more dense fluid sinks