Why do elements such as neptunium, plutonium, californium, einstenium, bohrium, flerovium, radon, oganesson, and a few others have half a number in parentheses at the bottom of their box on the periodic table instead of the atomic weight? ! : )

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.

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.

What are the coefficients to balance the following equation? ba+br=babr2