Why is atomic number better than atomic mass for organizing the elements in the periodic table?

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

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

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li