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Q16: The formula of calcium carbonate is CaCO<sub>3</sub>.
Q18: The proton is about 1840 times heavier
Q24: Sherman Company provides services in the retail
Q30: The following binary compound, Fe<sub>2</sub>O<sub>3</sub>, can be
Q50: Which of the following tasks is not
Q86: Give the correct number of significant figures
Q140: An oxide ion, O<sup>2-</sup>, has:<br>A) 8 protons
Q146: Rutherford's experiment with alpha particle scattering by
Q162: All of the following are properties
Q167: 1 US barrel = 4.21 cubic feet.