5. Jonah is completing the table shown below. What are the best headings for Columns A and Columns B? A. Column A: Atoms; Column B: Mixtures
B. Column A: Molecules; Column B: Atoms
C. Column A: Elements; Column B: Compounds
D. Column A: Atoms; Column B: Elements

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

Total the mass on the syringe. record it in the correct row of the data table. kg done click and drag weights to change the pressure. click the syringe to zoom in and see the volume. intro