In which of the following groups of substances do all members of the group have atomic masses that are within 1.00 amu of each other?

Question

Quizplus · Accepted Answer

In group C, all the elements have atomic masses within 1.00 amu of each other. C₃ has an atomic mass of approximately 135.03 amu, CO₂ has an atomic mass of approximately 90.01 amu, and N₂O has an atomic mass of approximately 90.01 amu. The other groups do not meet the criteria.

In Which of the Following Groups of Substances Do All