Science 3200 Review for Test #2

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Presentation transcript:

Science 3200 Review for Test #2 Date: Thursday, January 19th

Test 2 will cover: Notes 9-10 and 10-12 and Notes 14-16 Topics include: Chemical Reactions - Balancing Reactions Reaction Rates - Acids and Bases Balancing Chemical Formulas

Review What is a chemical reaction? It is a rearrangement of atoms or ions What are the five types of chemical reactions? Formation/Synthesis Decomposition Single replacement Double replacement Combustion

Review 2 conditions must be met for any chemical reaction to occur: There must be a collision of particles There must be energy present Click to Run

Review What affects the rate of a reaction? Temperature Concentration Surface area Catalyst

Review Recognizing Acids and Bases

Review Conduction of electricity Turn blue litmus red Taste sour Acids: Conduction of electricity Turn blue litmus red Taste sour React with metals React with bases Acid + Base = Salt + Water Neutralization Reaction Bases: Conduct electricity Turn red litmus paper blue Taste bitter Reacts with acids Feels slippery

Review : Balancing Chemical Formulas Remember the Criss Cross Method!

Review - Write the following Formulas for the following compounds: Sodium fluoride ______________________________ Potassium chloride ______________________________ Lithium bromide ______________________________ Beryllium chloride ______________________________ Potassium sulfide ______________________________ Magnesium nitride ______________________________ Calcium phosphide ______________________________ Aluminum chloride ______________________________ Lithium sulfide ______________________________ Barium phosphide ______________________________

Review - Write the names for the following compounds: LiCl ______________________________ MgS ______________________________ NaCl ______________________________ Al2O3 ______________________________ CaS ______________________________ Zn3P2 ______________________________ Na2O ______________________________ KBr ______________________________ BeO ______________________________ Al2S3 ______________________________