A mixture contains 4.00x10^23 molecules of PCl3 and 0.250 mol of PCl5. How many moles of phosphorus are in the mixture?

chemists can use the electron cloud model to assign electrons to different atomic orbitals. atomic orbitals also explain the patterns in the periodic table

explanation:

no, the red giant is the hottest with 2.00.000.000 degrees celsius. while the white dwarf only 25,000 degrees celsius.

b) nuclear ive learned that in a pedtrodic table