Search results
Results From The WOW.Com Content Network
Comet C/2014 Q2 (Lovejoy) surrounded by glowing carbon vapor. Of the other discovered allotropes, carbon nanofoam is a ferromagnetic allotrope discovered in 1997. It consists of a low-density cluster-assembly of carbon atoms strung together in a loose three-dimensional web, in which the atoms are bonded trigonally in six- and seven-membered rings.
Wollaston discovered it in samples of platinum from South America, but did not publish his results immediately. He had intended to name it after the newly discovered asteroid, Ceres, but by the time he published his results in 1804, cerium had taken that name. Wollaston named it after the more recently discovered asteroid Pallas. [112] 58 ...
41 of the 118 known elements have names associated with, or specifically named for, places around the world or among astronomical objects. 32 of these have names tied to the places on Earth, and the other nine are named after to Solar System objects: helium for the Sun; tellurium for the Earth; selenium for the Moon; mercury (indirectly), uranium, neptunium and plutonium after their respective ...
The -ine suffix is used only for the halogens, with chlorine being named first, and the others being named to match. The suffix -gen is used for three other nonmetals forming diatomic molecules (hydrogen, nitrogen, and oxygen). Suffixes were used more inconsistently before 1784, with tungsten (discovered 1783) the last element discovered whose ...
The name Carboniferous means "coal-bearing", from the Latin carbō ("coal") and ferō ("bear, carry"), and refers to the many coal beds formed globally during that time. [8] The first of the modern "system" names, it was coined by geologists William Conybeare and William Phillips in 1822, [9] based on a study of the British rock succession.
Climate Pledge Arena is as green as buildings get, but doubts about some Colombian rainforest carbon credits used to offset its construction highlight how challenging it is to zero out emissions.
He discovered that overheating carborundum, as opposed to pure carbon, produced almost pure graphite. While studying the effects of high temperature on carborundum, he had found that silicon vaporizes at about 4,150 °C (7,500 °F), leaving the carbon behind in graphitic carbon. This graphite became valuable as a lubricant.
Just Words. If you love Scrabble, you'll love the wonderful word game fun of Just Words. Play Just Words free online! By Masque Publishing