The world's oceans contain approximately 7.6 x 1019 moles of water molecules. based on this, how many water molecules are there in the world's oceans?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

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

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c