3. Chemical Reactions

Which of the following best describes the smallest unit of a chemical compound that still retains the properties of that compound?

Which type of formula indicates the actual number of atoms of each element present in a compound?

How many iodine atoms are present in one molecule of CI4?

How many chlorine atoms are present in one molecule of HCl?

Which of the following is the correct molecular formula for silicon tetrachloride?

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 names and formulas are NOT paired correctly?

Given that the compound XCl₄ contains 66.1% Cl by mass, what is the atomic mass of element X?

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