By 1799 the number of Martha Washington's dower slaves had grown to 153; George Washington owned 124 people, and at least a dozen Washington-owned slaves intermarried.
Hund's rule of maximum multiplicity is a rule based on observation of atomic spectra, which is used to predict the ground state of an atom or molecule with one or more open electronic shells.
portend verb [T]. âº to be a âsign that something âbad is âlikely to âhappen in the âfuture: It was a âdeeply âsuperstitious âcountry, where âearthquakes were âcommonly âbelieved to portend the end of âdynasties.