Chemistry, 28.09.2019 19:30 MacenParisi
Given an atom of mercury (hg) which has an atomic number of 80 and an atomic mass of 200, what is the total number of particles in the nucleus?
Answers: 2
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When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two
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How does carbon monoxide pose the greatest threat to humans? a. it can be produced by wood fires. b. it can be produced by home furnaces. c. it is produced by acid rain. d. it is produced by modern automobiles.
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Given an atom of mercury (hg) which has an atomic number of 80 and an atomic mass of 200, what is th...
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