If you have a balloon filled with one mole of gas at zero degrees Celsius at a pressure of one atmosphere, how many gas particles do you have?

660 billion
A google
602 sextillion
Scientists don't know the answer

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize