Which types of orbitals are found in the principal energy level n = 2? O A.
S
OB.
s, f
O C. S. d
O D.
Sp
E.
s, p, d

How does the motion of particles in a gas change as the gas cools

A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.

40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume