Two atoms that are different isotopes of the same element have
1.The same number of protons and the same number of neutrons
2.The same number of protons but a different number of neutrons
3.A different number of protons but the same number of neutrons
4.A different number of protons and a different number of neutrons
Answers: 1
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Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol
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Which is not true regarding reaction rates? (2 points) catalysts are not used up in the reaction. catalysts speed up reactions by lowering the activation energy. reaction rates decrease as the concentration of reactants decrease. during reactions, concentrations of all reactants decrease at the same rate.
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Two atoms that are different isotopes of the same element have
1.The same number of protons and the...
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