How many atoms of fluorine are in 1.4E0 moles of CF4?

How are elements arranged in a periodic table

What are the first three quantum numbers for the electrons located in subshell 2s?

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