Answer:
Temperature.
Explanation:
Temperature is a measure of the average kinetic energy of a system.
The one on top is corrrect because the cell diagram will always contain one object or more
Formula unit mass is defined as the sum of the mass of all the atoms each multiplied its atomic masses that are present in the empirical formula of a compound. It is expressed in amu.
Atomic mass of calcium = 40 amu
Atomic mass of chlorine = 35.5 amu
Formula mass of CaCl2 = (1 x 40) + (2 x 35.5) = 111amu.
