3. Chemical Reactions

How many oxygen atoms are present in one molecule of water (H_2O)?

If magnesium and nitrogen react to form a neutral compound, what is the molecular formula of the product?

How many fluorine atoms are present in one molecule of CH3F?

How many oxygen atoms are present in one molecule of H2SO4?

Which of the following statements about the molecular weight of a molecule is true?

Which term best describes a group of atoms joined together in a particular way?

How many hydrogen atoms are present in a molecule of water (H_2O)?

Which of the following chemical formulas represents both an element and a molecule?

Which of the following is the molecular formula for ozone?

How many carbon atoms are present in 19 molecules of benzene (C6H6)?

Which of the following compounds contains exactly two oxygen atoms per molecule?

Which step would help a student find the molecular formula of a compound from the empirical formula?

How many nitrogen atoms are present in one molecule of N2H4?

A compound is labeled as CaH\(_2\). What is its molecular formula?

Water is composed of H2O molecules. How many total atoms are present in one molecule of water?