Which of these items is made up of one or more molecules?
Gold
Hydrogen
Salt
...
Answers: 1
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What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature
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Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold
Answers: 2
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Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
Answers: 1
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