What quantum mechanics principle states that electrons are added to atomic orbitals with the same energy so that each orbital is singularly occupied with electrons having the same spin?.

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.

because natural gas is colorless, odorless, and tasteless, distributors add mercaptan (a chemical that smells like sulfur) to give natural gas a distinct unpleasant odor (it smells like rotten eggs). they locate the types of rock that are likely to contain natural gas deposits.

metric time was an attempt to create a standard unit of time based off of 10, but it never took off an is not included in the metric system (si)

diaria maybe go see a doctor about that