How many electrons are there

Classify each statement about effective nuclear charge, zeff, as true or false.

What is impossible to do with a hypothesis

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