Element, Molecule, compound review

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Presentation transcript:

Element, Molecule, compound review Get ready for bell work! 12-7-16

Which of these is a compound? NO Zn He

Which of these is a compound? Mn S

Which atoms combine to form the molecule CH3CH2CH2Br? C, H, and Br CH3,CH2, and Br CH3 and CH2

4. Which of these is a molecule and not a compound? Zn

5. Stephanie was thirsty and decided to prepare some lemonade 5. Stephanie was thirsty and decided to prepare some lemonade. She combined lemon juice, water, and sugar in a glass pitcher. Which of the following statements best describes how she can know if this drink is a mixture or compound? It is a mixture because she can separate all of the individual ingredients b. It is a compound because it tastes different after you add in the sugar. c. It’s a mixture because a reaction occurred when the ingredients were combined.

Which substance is a mixture? sugar water milk

Which of these IS NOT a mixture? a. salt water in a glass jar b. baking soda and vinegar poured together c. iron filings in sand from a beach

I Can… Distinguish between an element, mixture, and compound

Which of these is a compound? NO Zn He

Which of these is a compound? Mn S

Which atoms combine to form the molecule CH3CH2CH2Br? C, H, and Br CH3,CH2, and Br CH3 and CH2

4. Which of these is a molecule and not a compound? Zn

5. Stephanie was thirsty and decided to prepare some lemonade 5. Stephanie was thirsty and decided to prepare some lemonade. She combined lemon juice, water, and sugar in a glass pitcher. Which of the following statements best describes how she can know if this drink is a mixture or compound? It is a mixture because she can separate all of the individual ingredients b. It is a compound because it tastes different after you add in the sugar. c. It’s a mixture because a reaction occurred when the ingredients were combined.

Which substance is a mixture? sugar water milk

Which of these IS NOT a mixture? a. salt water in a glass jar b. baking soda and vinegar poured together c. iron filings in sand from a beach

Review Kahoot get out your device or log on to a computer.