The spectrum of an atom consists of a continuous set of wavelengths which are emitted or absorbed by the atom. consists of an infinite number of wavelengths that can be emitted or absorbed by the atom. can only be explained by quantum mechanics, which states that electrons may only orbit nuclei in discrete orbits. is fully explained by 19th century physics.

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

If i add water to oil what will happen