How do our eyes perceive different wavelengths of light?

as ripples

as colors

as dark and light spots

as shades of blue

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.

What is the percent by mass of oxygen in fe2o3

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients