10.A certain ion of an atom possesses 16 neutrons, a mass number of 31 and a charge of-3, this ion then contains:
A. 19 protons
B. 13 electrons C. 12 electrons D. 18 electrons

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.