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Questions and Answers
What is the center of an atom usually made of?
Which state of matter has a definite shape and definite volume?
What happens to the mass when you grind a board down to sawdust?
Which statement is true when comparing the thermal energy of water in a teacup and a bathtub?
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Which state of matter has no definite shape and no definite volume?
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How is the element with atomic number 42 different from the element with atomic number 41?
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Which subatomic particle has a positive electrical charge?
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What is the smallest unit of an element that still has the properties of that element?
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What is the term used to describe the amount of mass something has in relation to its volume?
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What is the term for the number of protons in an atom?
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A substance made up of only one kind of atom is called a...
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Which term describes the temperature at which a substance changes from a solid to a liquid?
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