88.06 meters to centimeters

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

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 percentage of hydrogen in c2h4