Describe the structure of a complex molecule compared to a simple molecule at the molecular level.

Name the element in group 17, period 2. (periodic table)

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these