How does an element's atomic mass differ
from its mass number?

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?

Which best describes the activation energy of a chemical reaction? a. the combined energy of all the reactants b. the amount of energy required for a reaction to occur c. the difference in energy between products and reactants d. the potential energy stored in the bonds of reactants and products

Type the letter that represents the correct location for each particle type below. the neutron is found at __ the electron is found at __ the proton is found at __