Atoms are bound together into collections called molecules, compounds, ions, and other types of groups. Which of these is classified as a compound, but NOT classified as a molecule? Group of answer choices

Cobalt - Co

Hydrogen - H2

Carbon dioxide - CO2

Potassium chloride - KCl

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

Which of the following is true about a carbonated soft drink? . the carbon dioxide is the solvent, and water is the solute.. the water is the solution, and carbon dioxide is the solvent.. the carbon dioxide is the solution, and the water is the solvent.. the water is the solvent, and the carbon dioxide is the solute.. .