Search results
Results from the WOW.Com Content Network
The structure of the molecule of urea is O=C(−NH 2) 2.The urea molecule is planar when in a solid crystal because of sp 2 hybridization of the N orbitals. [8] [9] It is non-planar with C 2 symmetry when in the gas phase [10] or in aqueous solution, [9] with C–N–H and H–N–H bond angles that are intermediate between the trigonal planar angle of 120° and the tetrahedral angle of 109.5°.
The Nguyễn dynasty (Vietnamese: Nhà Nguyễn or Triều Nguyễn, chữ Nôm: 茹阮, chữ Hán: 朝阮) was the last Vietnamese dynasty, preceded by the Nguyễn lords and ruling unified Vietnam independently from 1802 until French protectorate in 1883.
Lý Tự Trọng (20 October 1914 in Thailand [1] – 21 November 1931 in Saigon; born Lê Hữu Trọng) was a Vietnamese revolutionary, executed by the French when he was only 17 years old. [2] He is considered to be a revolutionary martyr.
Chữ Nôm (𡨸喃, IPA: [t͡ɕɨ˦ˀ˥ nom˧˧]) [5] is a logographic writing system formerly used to write the Vietnamese language.It uses Chinese characters to represent Sino-Vietnamese vocabulary and some native Vietnamese words, with other words represented by new characters created using a variety of methods, including phono-semantic compounds. [6]
When the emperor Lê Long Đĩnh died in 1009, a palace guard commander named Lý Công Uẩn was nominated by the court to take over the throne, and founded the Lý dynasty. [ 81 ] [ 82 ] This event is regarded as the beginning of another golden era in Vietnamese history, with the following dynasties inheriting the Lý dynasty's prosperity and ...
Walters, Jonathan S. (2004), "Festivals and Calendrical Rituals", Encyclopedia of Buddhism, The Gale Group, archived from the original on 23 December 2017 – via Encyclopedia.com. Werner, Karel (2013), "Love and Devotion in Buddhism", in Werner, Karel (ed.), Love Divine Studies in Bhakti and Devotional Mysticism , Hoboken, NJ: Taylor and ...
December 23 is the 357th day of the year (358th in leap years) ... [12] 1979 – Soviet–Afghan War: Soviet Union forces occupy Kabul, the Afghan capital.