Which is evidence that elements can combine to form a new compound?

Which property of metals allows them to be used to make coins with the same thickness?

Which best describes why metals are used for making pots and pans that are used for cooking?

Which best describes the physical change of an aluminum soda can after it is crushed?

A chemical reaction produces two new substances, and each product has a mass of 25 grams. What was the total mass of the reactants??

Which factor best explains why some people will react differently than others to the same dose of an antibiotic?

Which pure substance is composed of more than one element?

Which is the best way to determine if an object is made of pure silver?

Which element is a poor conductor of heat?

A beaker with 100 mL of water is placed on a hot plate and heated. The water boils at 100. At what temperature would 90 mL of water boil?

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