State evidence from the bright-line spectra that indicates element a is not present in
the mixture.

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

Name the element in group 17, period 2. (periodic table)