What are the percent compositions of hydrogen and oxygen in water

The first element on the periodic table of elements is carbon. a. true b. false

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Give the orbital configuration of the phosphorus (p) atom.