Can someone do me a story with these words Porfavor acid, base, solution, solute, solvent, pH, polar molecule, nonpolar molecule and concentration.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility

How do you interpret a chromagram for what mixtures contain?