MCAT General Chemistry (The Princeton Review)QUESTIONS AND ANSWERS

Density of water Correct Answer: 1 g/cm^3. Molecular Formula Correct Answer: The exact number of each element in a molecule. Empirical Formula Correct Answer: The ratio of each element in a molecule. Ammonium Correct Answer: Hydronium Correct Answer: Acetate Correct Answer: Bicarbonate Correct Answer: Cyanide Correct Answer: Hydroxide Correct Answer: Nitrate Correct Answer: Nitrite Correct Answer: Perchlorate Correct Answer: Carbonate Correct Answer: Sulfate Correct Answer: Sulfite Correct Answer: Phosphate Correct Answer: Formula Weight Correct Answer: The sum of the atomic weights of all atoms in the molecule. If an atom's atomic number equals its atomic weight, which of the following would be true? A) The number of protons equals the number of electrons. B) The number of neutrons equals the number of protons. C) The number of neutrons equals the number of electrons. D) The number of protons is less than the number of neutrons. Correct Answer: A) The number of protons equals the number of electrons.