What is the definition of chemical property?

By what are isotopes identified? A. mass numbers B. atomic masses C. atomic mass units D. average atomic masses

A chemistry student needs 10.00 g of isopropenylbenzene for an experiment. He has available 120. g of a 42.7% w/w solution of isopropenylbenzene in carbon tetrachloride. Calculate the mass of solution the student should use.

What is the mass of glyphosate

Which of the following elements would be the most reactive? A. Strontium B. Nitrogen C. Chlorine D. Radon

What element is found in liver and red blood cells and is needed to prevent anemia

Much of life on Earth is based in aquatic biomes. What property of water allows life to survive in liquid water?

A neutral atom of beryllium (Be) has an average mass of 9 amu and 4 electrons. How many neutrons does it have? 13 9 5 4

Calculate the maximum mass of carbon dioxide that could be obtained by adding excess hydrochloric acid to 15 g of calcium carbonate.

True or false: during dry weather, the water level in a small pond drops because of runoff.

Bradley hit a baseball with a bat. The baseball then hit a window and caused the window to break. Where did the energy that broke the window come from?