Search results
Results from the WOW.Com Content Network
A comprehensive list of sports, including various physical activities and games.
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
The Sukhoi Su-27 (Russian: Сухой Су-27; NATO reporting name: Flanker) is a Soviet-origin twin-engine supersonic supermaneuverable fighter aircraft designed by Sukhoi.It was intended as a direct competitor for the large US fourth-generation jet fighters such as the Grumman F-14 Tomcat and McDonnell Douglas F-15 Eagle, with 3,530-kilometre (1,910 nmi) range, heavy aircraft ordnance ...
In chemistry, a reactivity series (or reactivity series of elements) is an empirical, calculated, and structurally analytical progression [1] ...
Principal alloying element UNS numbers Copper alloys, brass: Zinc (Zn) C1xxxx–C4xxxx,C66400–C69800 Phosphor bronze: Tin (Sn) C5xxxx Aluminium bronzes: Aluminium (Al) C60600–C64200 Silicon bronzes: Silicon (Si) C64700–C66100 Cupronickel, nickel silvers: Nickel (Ni) C7xxxx
Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H 2, sometimes called dihydrogen, [11] but more commonly called hydrogen gas, molecular hydrogen or simply hydrogen.
North Korea, [d] officially the Democratic People's Republic of Korea (DPRK), [e] is a country in East Asia.It constitutes the northern half of the Korean Peninsula and borders China and Russia to the north at the Yalu (Amnok) and Tumen rivers, and South Korea to the south at the Korean Demilitarized Zone.
Presidential elections were held in the United States on November 3, 2020. [a] The Democratic ticket of former vice president Joe Biden and the junior U.S. senator from California Kamala Harris defeated the incumbent Republican president Donald Trump, and vice president Mike Pence. [9]