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Warm Up 01/22

Warm Up 01/22. Practice CRCT Question : Calculate how many neutrons 2 atoms of sulfur contain. . Closing 01/22. Practice CRCT Question From the picture, which number is the mass number and what does it measure?. Warm Up 01/23. Practice CRCT Question

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Warm Up 01/22

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  1. Warm Up01/22 Practice CRCT Question: Calculate how many neutrons 2 atoms of sulfur contain.

  2. Closing01/22 Practice CRCT Question From the picture, which number is the mass number and what does it measure?

  3. Warm Up01/23 Practice CRCT Question Water is H2O before freezing into ice. In the ice phase, water’s chemical formula is still H2O. What kind of property is this? physical property chemical property mass property expensive property

  4. Closing01/23 Practice CRCT Question Oranges, lemons, and limes are considered to be acidic because they contain citric acid. What type of property is this? a. physical property b. chemical property c. mass property d. expensive property

  5. Warm Up01/24 Practice CRCT Question What does the picture BEST represent? A. an atom B. a compound C. a pure substance D. a mixture

  6. Closing01/24 Practice CRCT Question What does the picture BEST represent? A. an atom B. a compound C. a pure substance D. a mixture

  7. Warm Up01/25 Practice CRCT Question A piece of ice melting is an example of which type of change? physical change chemical change phase change only

  8. Closing01/25 Practice CRCT Question: Which is the BEST example of a chemical change? acid in lemons malleability of aluminum the rusting of iron the boiling of water

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