Solutions a. are always composed of a solid dissolved in a liquid b. can be composed of two substances in any phases c. have a definite concentration d. have a concentration that depends on the amount of solute e. b & d

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

Which element would mostly likely have an electron affinity measuring closest to zero