5. Which of these solutions is the most basic? Rank them from most basic to most acidic.
[H+]=1 x 10-M
[OH-]=1 x 10^M
[H*]=1 x 10-11 M
[OH^)=1 x 10-13

Which statement best describes how atoms combine to form sodium chloride (nacl)? a. a positively charged sodium ion and a positively charged chlorine ion form an covalent bond. b. a positively charged sodium ion and a negatively charged chlorine ion form an covalent bond. c. a positively charged sodium ion and a positively charged chlorine ion form an ionic bond. d. a positively charged sodium ion and a negatively charged chlorine ion form an ionic bond.

Afamily is one another name for a group on the table of elements.

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space