Chemistry, 15.04.2021 19:20 thefandomarmy24
Clarice is trying to classify an element. The element has luster, it is solid at room temperature, and it is semi-conductor of electricity. What type of element does she have?
Answers: 1
Chemistry, 22.06.2019 09:30, mazielynn84
In 2002, the rare earth elements mine in mountain pass, california was closed because
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Chemistry, 22.06.2019 16:50, Pookiev
Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.
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Chemistry, 23.06.2019 06:00, fjsdfj1284
Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants
Answers: 2
Clarice is trying to classify an element. The element has luster, it is solid at room temperature, a...
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