Plss help...
I am looking for a new guy friend bc mine left And now I need a new one.

What is a possible quantum number set for an electron in the 3s orbital of a magnesium atom

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

How many grams are in one mole of lead?