Skip to content

Menu

Game modes

Account

← Structure of Atom
GK QUESTION#3147

What does molecular mass represent in chemistry?

  1. ATotal number of atoms in a molecule
  2. BSum of the valencies of atoms in a molecule
  3. CSum of the atomic masses of all atoms in a moleculeCorrect answer
  4. DVolume occupied by a molecule
Show AnswerHide Answer

Answer

C. Sum of the atomic masses of all atoms in a molecule

Show ExplanationHide Explanation

Explanation

Molecular mass is obtained by adding the atomic masses of all atoms in one molecule, counting each atom according to its chemical formula. It is expressed in unified atomic mass units, u; relative molecular mass is the corresponding dimensionless ratio.

Sign in to report a question issue

Explore this topic

Under ordinary room conditions, which listed metal has the greatest tabulated density?Which listed scientist gave the element oxygen its name?Ferrum is the Latin name for ___.