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tin

(Encyclopedia) tin, metallic chemical element; symbol Sn [Lat. stannum]; at. no. 50; at. wt. 118.710; m.p. 231.9681℃; b.p. 2,270℃; sp. gr. 5.75 (gray), 7.3 (white); valence +2 or +4. Tin exhibits…

Revere, Paul

(Encyclopedia) Revere, Paul, 1735–1818, American silversmith and political leader in the American Revolution, b. Boston. In his father's smithy he learned to work gold and silver, and he became a…

2004 Notable Books for Children

These books were chosen by a committee of librarians, educators, and other professionals for the Association for Library Service to Children. Younger Readers…

Johnston, Joseph Eggleston

(Encyclopedia) Johnston, Joseph Eggleston, 1807–91, Confederate general, b. Prince Edward co., Va., grad. West Point, 1829. He served against the Seminole in Florida and with distinction under…

Qur'an

(Encyclopedia) Qur'an or KoranKorankōrănˈ, –ränˈ [key] [Arab.,=reading, recitation], the sacred book of Islam. Revealed by God to the Prophet Muhammad in separate revelations over the major portion…

Selected Biographies: G

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