According to the kinetic molecular theory of gas: a All molecules move in the same direction
b Molecules are stationary
С
Molecules are in a state of ceaseless and
random motion in all directions
d None of the above

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

As changes in energy levels of electrons increase, the frequencies of atomic line spectra they emit