What causes a nucleus to be unstable? Include the following vocabulary in your nuclear strong force, repulsion, proton, neutron, ratio.

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.

Nuclear decay is the spontaneous decay of one element into a. an x-ray b. a ray of light c. another element

The most common form of matter in the universe