The atomic mass unit (amu) is

a. the mass of a single atom of carbon

b. one millionth of a gram

c. approximately the mass of a proton

d. approximately the mass of an electron

What kind of compound is citric acid

The heat of fusion for water is the amount of energy needed for water to a. freeze. b. boil. c. melt. d. evaporate.

A gas mixture with a total pressure of 765 mmHg contains each of the following gases at the indicated partial pressures: 134 mmHg CO2, 214 mmHg Ar, and 190 mmHg O2. The mixture also contains helium gas.

Which element in group 16 has the greatest metallic character?

Lead has a density of 11.34 g/ml where as mercury has a density of 13.6 g/ml. If 1 kg of each were placed in buckets of water which one would displace more water?

What is the main purpose of a particle accelerator?

Is this statement true or false? Bases feel slippery. A. True B. False

why blue intensity of copper (2) sulphate will decrease in a voltaic cell with zinc electrode in zinc sulphate solution and copper 2sulphate solution with copper electrode in it (with salt bridge)

What is the charge for MnO4

What makes up a rock