Which set of substances listed includes both acids and bases? a. pH = 1, pH = 3, pH = 6

b. pH = 3, pH = 2, pH = 9

c. pH = 7, pH = 8, pH = 9

d. pH = 8, pH = 10, pH = 14

You 4. you have been swimming in your neighbor’s pool for an hour. the relative humidity of the air is 30 percent. will you feel warm or cool when you step out of the pool? explain your answer.

Easy definition for atom and atomic mass

Which substances have the lowest melting points: ionic covalent, or metallic