Hunds Rule

Science / Chemistry / Hunds Rule: A rule of thumb stating that subshells fill so that the number of unpaired spins is maximized, or 'spread them out and line them up.'

Other Words for Rule

Rule Noun Synonyms: direct, guide, manage, control, lead, head (up), preside (over), superintend, oversee, supervise, regulate, govern, run
Rule Verb Synonyms: regulation, order, law, ordinance, ruling, decree, ukase, statute, principle, direction, guide, guideline, precept
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Rule 144

Business / Finance / Rule 144: Restricts solicitation of buyers to complete the sell order of an insider (unless the firm is already a buyer); signified by a flashing 'E' on Quotron. MORE

Rule 14-D

Business / Finance / Rule 14-D: Often used in risk arbitrage. Regulations and restrictions covering public tender offers and related disclosure requirements. MORE

Rule 13-D

Business / Finance / Rule 13-D: Often used in risk arbitrage. Requirement under Section 13-d of the Securities Act of 1934 that a form must be filed with the SEC within ten business days of acquiring direct or beneficial ownership o MORE

Rule 144a

Business / Finance / Rule 144a: SEC rule allowing qualified institutional buyers to buy and trade unregistered securities. MORE

Rule 405

Business / Finance / Rule 405: NYSE codification of 'know your customer' rules, which require that a customer's situation is suitable for any investment being made. MORE

Rule Of 72

Business / Accounting / Rule Of 72: A quick way to calculate how long it will take to double a sum of money. Divide 72 by the expected interest rate to determine the number of years (example 72 divided by 8% = 9 years). MORE

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