2) a positive angle of rotation turns a figure
a) clockwise
b) counterclockwise

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.

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =

What produces wave a)sound b) heats c)transfer of energy d)vibrations