A chemist is studying the atomic mass of an element. Which of the following would they be most interested in?
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A. Number of protons plus the number of electrons B. The number of protons only C. The number of electrons only D. The number of neutrons plus the number of electrons E. The number of protons plus the number of neutrons Which of the following levels of life is the least inclusive? A. Ecosystem B. Organism C. Community D. Organ E. Population Which of the following is not a human impact on the earth? A. Clearing forests for crops B. Clearing grasslands for crops C. Clearing vegetation to build houses D. Increasing coastal wetlands through development E. Increasing pollution and sediment deposition in aquatic ecosystems
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Answer:
A & C chemists tend to be concerned about behavior of electrons (for bonding) and the atomic number (property of the element); neutrons not important D None really
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Other answers
E. The number of protons plus the number of neutrons D. Organ none though E. Increasing pollution and sediment deposition in aquatic ecosystems is best (still not good)
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