Which element contains one set of paired and three unpaired electrons in its fourth and outer main energy level ?

What will most likely happen when two bromine atoms bond together?

What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.