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Transcript
Acids and Bases atoms Chemical reactions Rates of Reactions Ionic compounds $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 The Name of the Centre of an atom Category 1: $100: A The Nucleus Category 1: $100: Q Where the electrons “live” In an atom Category 1: $200: A Orbitals or electron shells Category 1: $200: Q The charge on an electron Category 1: $300: A Negative Category 1: $300: Q The name of the neutral charged subatomic particle Category 1: $400: A A Neutron Category 1: $400: Q The name of the subatomic Particle who’s number is actually the atomic number of the element. Category 1: $500: A Protons Category 1: $500: Q What the starting chemicals Are called in a chemical reaction Category 2: $100: A Reactants Category 2: $100: Q When a combustion reaction Happens, this is always released Category 2: $200: A Energy in the form of Heat and light Category 2: $200: Q Give 2 clues that a chemical reaction has taken place Category 2: $300: A Temperature change, colour change, bubbles, Light produced etc. Category 2: $300: Q Which one of the following is NOT an example of a chemical reaction? a) Cooking an egg b) a car engine running c) boiling water Category 2: $400: A c) Boiling water This NOT a chemical reaction. You can reverse it! (water vapour condenses to liquid water again). **Caution,bubbles DON’T ALWAYS mean a Chemical reaction! Category 2: $400: Q When magnesium metal Is burned in oxygen gas Solid magnesium oxide Is produced. State the Word equation for this. Category 2: $500: A Magnesium (s) + Oxygen (g) = Magnesium oxide (s) Category 2: $500: Q What is the pH of a neutral substance? Category 3: $100: A pH = 7 Category 3: $100: Q Give a possible pH of a base Category 3: $200: A Any number greater than 7 and up to 14, e.g. pH = 9 Category 3: $200: Q Give one example of an acid that We have used in class. Category 3: $300: A Vinegar, lemon juice, Hydrochloric acid Category 3: $300: Q When an acid and a base are mixed together, what type of reaction is this and name one product that is produced Category 3: $400: A Neutralization Reaction Water and a salt are produced Category 3: $400: Q Give one example of a Neutralization reaction That we have done in class Category 3: $500: A The egg lab (vinegar + egg shell) Making soap (olive oil + sodium hydroxide) Category 3: $500: Q If you are cooking something On the stove, how could you Make it cook faster? Category 4: $100: A Increase the temperature Category 4: $100: Q What is one way people slow Down the rate that food goes bad? Category 4: $200: A Wrap it up, put it in the fridge, Pickle vegetables (vinegar), make jam out of fruit (sugar), Smoke or salt meat Category 4: $200: Q When we crushed the alkaseltzer or when you cut up a potato into smaller pieces, what are you doing (what factor are you increasing?) Category 4: $300: A You are increasing surface area Category 4: $300: Q When we did the blast off lab, if you decided on one round to use 1 small scoop of powder and then on the next round you used 2 large scoops of powder, what factor are you changing? Category 4: $400: A Concentration (you are making it “stronger”) Category 4: $400: Q What are the chemicals inside Your body that make chemical Reactions go faster? Category 4: $500: A Enzymes Category 4: $500: Q When an ionic bond happens, what happens to the electrons of the different atoms? Category 5: $100: A One atom “steals” the electrons away from the other atom Category 5: $100: Q Where are metals on the periodic table? Category 5: $200: A On the left side Category 5: $200: Q Ionic compounds are made up of a metal atom plus this type of atom Category 5: $300: A A non-metal Category 5: $300: Q How many electrons do all atoms “want” in their outer shell? Category 5: $400: A 8 This is called a stable octet Category 5: $400: Q Give the name for the ionic compound formed between Aluminum and Oxygen Category 5: $500: A Aluminum oxide Category 5: $500: Q