Acompound contains 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen (by mass). calculate the empirical formula.

Select the correct answer. which phrase correctly describes temperature? o a. average rotational kinetic energy of the particles in an object o b. average energy of the particles in an object c. average translational kinetic energy of the particles in an object od. all energy possessed by the particles in an object

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.