The total mass of an atom expressed in atomic mass units is known as the * mass number.
atomic number.
isotopic number.
covalent number.

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.