The orbitals in a multielectron atom do not have the same energy, so there is space for only two electrons in an orbital. Electrons have to spin in the same direction. Too much energy would be required if there were three electrons in the same orbital. There are only two possible values for electron spin, so there are only two possible unique sets of quantum numbers describing the electrons in a given orbital.

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

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2b2t

explanation:

2b2t

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.