Which particles account for the mass of the atom? (Atomic mass or mass number)

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?