5 Written questions
5 Matching questions
- active site
- polar molecule
- covalent bond
- a molecule with oppositely charged regions
- b substance dissolved in a solvent.
- c specific place where a substrate binds on an enzyme.
- d two or more atoms of the same element having different numbers of neutrons.
- e type of chemical bond formed when atoms share electrons.
5 Multiple choice questions
- large molecule formed from smaller repeating units or identical, or nearly identical, compounds linked by covalent bonds.
- substance formed by a chemical reaction; located on the right side of the arrow in a chemical equation.
- electrical attraction between two oppositely charged atoms or groups of atoms.
- measure of the concentration of hydrogen ions (H+) in a solution.
- particle without a charge in an atom's nucleus
5 True/False questions
atom → building block of matter; contains subatomic particles—neutrons, protons, and electrons
protein → organic compound made of amino acids joined by peptide bonds; primary building block of organisms.
solution → homogeneous mixture formed when a substance (the solute) is dissolved in another substance (the solvent).
compound → pure substance with unique properties; formed when two or more different elements combine.
mixture → compound whose atoms are held together by covalent bonds