The amount of stored chemical energy is what determines the temperature of a substance. t or f

It is a false statement that the  amount of stored chemical energy is what determines the temperature of a substance.

In science, temperature is a measure of the kinetic energy of the molecules of a body.

The temperature of a body is determined by the kinetic energy of the individual particles that compose the substance.

The temperature of a body has nothing to do with the amount of stored chemical energy in the substance hence the statement is false.

Learn more; link

answer: atomic mass was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.

explanation:

originally atomic mass was used to arrange elements on the periodic table from left to right in a row. each column then shows similar properties of elements of a group.

in modern periodic table, the atoms are arranged in increasing atomic number. as atomic number represents the number of protons in an atom which is unique for every atom.