ne answer sheet. D. gram 1. What is the SI unit for measurement of number of particles in a substance? A. kilogram B. ampere C. candela D. mole 2. Which of the following is NOT a reprecentative particle? A. molecule B. anion C. cation D. electron 3. Which of the following elements exists as a diatomic molecule? A. neon B. aluminum C. lithium D. nitrogen 4. Avogadro's number of representative particles is equal to one A. liter B. kelvin C. mole 5. All of the following are equal to Avogadro's number EXCEPT A. the number of atoms of gold in 1 mol Au B. the number of atoms of bromine in 1 mol Br2 C. the number of molecules of carbon monoxide in 1 moi co D. the number of molecules of nitrogen in 1 mol N2 6. Avogadro's number is A. the weight of a carbon atom C. a mole B. 5.02 x 1023 D. a dozen 7. The gram formula mass of C7H16 and the gram formula mass of CaCO3 contain approximately the same number of A. anions B. carbon atoms C. grams D. atoms 8. The gram molecular mass of oxygen gas is A. 16.0g B. equal to the mass of one mole of oxygen atoms C. 32.08 D. there is not enough information given