What is the abbreviation of amu?

Point out an example of a compound.

Atoms of different elements differ in mass.

Which of the following cannot be a molecular formula for an empirical formula HO?

Which of the given reactions are counted as balanced reactions?

Multiply 1.2 and 3.91. Obtain the result as per the rules of significant figures.

What did Dalton propose?

Which of the following is not true regarding balanced chemical equations?