Q: Isotopes are named for their number of ______ plus neutrons? Choices: - electrons - atoms - nuclei - protons A:
protons
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Q: What makes up the mass number of an atom? Choices: - electrons and neutrons - atoms and neutrons - molecules and electrons - protons and neutrons A:
protons and neutrons
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Q: All species have evolved a pattern of living, called a life history strategy, in which they partition energy for growth, maintenance, and what? Choices: - variation - abundance - deatn - reproduction A:
reproduction
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Q: Acids are associated with a low number on which scale? Choices: - metric - acidic - ionic - ph A:
ph
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