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Magnesium oxide (Mg O), or magnesia, is a white hygroscopic solid mineral that occurs naturally as periclase and is a source of magnesium (see also oxide).It has an empirical formula of MgO and consists of a lattice of Mg 2+ ions and O 2− ions held together by ionic bonding.
Hoàng Cơ Minh was born at Làng Vẽ in the village of Đông Ngạc, Từ Liêm District, Hà Đông Province (now part of Bắc Từ Liêm District of Hanoi) in 1935.. His father Hoàng Huân Trung was the Provincial Education Commissioner of Hà Đông and Ha