Closely related to Hund's Rule is the Aufbau Principle, which states that electrons will fill the lower energy levels before moving to higher energy orbitals. Remember that each orbital has two electrons and the number of orbitals at an energy level depends on the first two quantum numbers.
Definition of venture. 1  1 obsolete : destiny, fortune, chance. 2  2a : an undertaking involving chance, risk, or danger; especially : a speculative business enterpriseb : a venturesome act. 3  3 : something (as money or property) at stake in a speculative venture.
an undertaking involving uncertainty as to the outcome, especially a risky or dangerous one: a mountain-climbing venture. 2. a business enterprise or speculation in which something is risked in the hope of profit; a commercial or other speculation: Their newest venture allows you to order their products online. 3. the money, ship, cargo, merchandise, or the like, on which risk is taken in a business enterprise or speculation.