One clue we can observe that means a chemical reaction has occurred is the formation of light. What is one chemical reaction you can think of that causes light?

The plum pudding model of the atom states that ?

Astone is dropped with no initial velocity from the top of a cliff and hits the ground a time of 3.9 s later. what is the height of the cliff, in units of meters? you may assume that air resistance is negligible. give the answer as a positive number question 15 a figure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 200 o 20.9 12000 o 3.33

Which lists the pairs of plates in order from least to greatest in terms of the work done to move the electron?