What makes a compound acidic and basic?

Answer 1

The more positive hydrogen ions, the stronger the acid.
The more hydroxide there is, the stronger the base.

Answer 2

A compound is acidic if it donates protons (H+) in solution, increasing the concentration of H+ ions. Conversely, a compound is basic if it accepts protons (H+) in solution, reducing the concentration of H+ ions by generating hydroxide ions (OH-). The pH scale is used to quantify the acidity or basicity of a solution.

Answer 3

The relative concentration of their H+ ions vs their OH- ions

Answer 4

a compound that is basic (a base) has hydroxide in it (OH-)

a compound that is acidic (an acid) has hydrogen in it (H+)

:)

Answer 5

Acids have a pH of below 7, whereas bases have a pH of above 7.

Answer 6

It depends on the specific definition you use, but in general: acids are proton donors (or electron acceptors), and bases are proton acceptors (or electron donors).