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See all on WikipediaCarbon - Wikipedia
Carbon (from Latin carbo 'coal') is a chemical element; it has symbol C and atomic number 6. It is nonmetallic and tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 electrons. It belongs to group 14 of the periodic table. Carbon makes up about 0.025 … See more
The allotropes of carbon include graphite, one of the softest known substances, and diamond, the hardest naturally occurring substance. It See more
The English name carbon comes from the Latin carbo for coal and charcoal, whence also comes the French charbon, meaning charcoal. In German, … See more
Carbon is essential to all known living systems, and without it life as we know it could not exist (see alternative biochemistry). … See more
Organic compounds
Carbon can form very long chains of interconnecting carbon–carbon bonds, a property that is called See moreGraphite
Commercially viable natural deposits of graphite occur in many parts of the world, but the most important sources economically are in … See morePure carbon has extremely low toxicity to humans and can be handled safely in the form of graphite or charcoal. It is resistant to dissolution or chemical attack, even in the acidic contents of the digestive tract. Consequently, once it enters into the body's tissues it is … See more
Wikipedia text under CC-BY-SA license Carbon | Facts, Uses, & Properties | Britannica
- carbon (C), nonmetallic chemical element in Group 14 (IVa) of the periodic table. Although widely distributed in nature, carbon is not particularly plentiful—it makes up only about 0.025 percent of Earth’s crust—yet it forms more compounds than all the other elements combined. In 1961 the isotope carbon-12 was selected to replace oxygen as the stan...
Carbon - Simple English Wikipedia, the free …
Learn about carbon, a nonmetal element that is essential for life on Earth. Find out its properties, allotropes, isotopes, and organic compounds.
Carbon cycle - Wikipedia
The carbon cycle is that part of the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth. Other major biogeochemical cycles include the nitrogen cycle and the water cycle. Carbon is the main component of biological compounds as well as a major component of many rocks such as limestone. T…
Wikipedia · Text under CC-BY-SA license- Kerogens: 15,000,000
- Sedimentary carbonates: > 60,000,000
- Living biomass: 600-1,000
- Terrestrial biosphere (total): 2,000
Carbon | History, Uses, Facts, Physical & Chemical …
Carbon is a nonmetallic, tetravalent element with symbol C and atomic number 6. It has various forms, such as diamond, graphite and carbon nanotubes, and is widely used in industry, biology and nanotechnology.
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Carbon footprint - Wikipedia
A carbon footprint (or greenhouse gas footprint) is a calculated value or index that makes it possible to compare the total amount of greenhouse gases that an activity, product, company or country adds to the atmosphere. Carbon …
Carbon cycle | Definition, Steps, Importance, Diagram, …
5 days ago · Carbon cycle, in biology, circulation of carbon in various forms through nature. Carbon is a constituent of all organic compounds, many of which are essential to life on Earth. The source of the carbon found in living matter is …
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Allotropes of carbon - Wikipedia
Well-known forms of carbon include diamond and graphite. In recent decades, many more allotropes have been discovered and researched, including ball shapes such as buckminsterfullerene and sheets such as graphene. Larger …
Carbon compounds - Wikipedia
Learn about the different types and properties of carbon compounds, such as allotropes, carbides, organic compounds, carbon-oxygen compounds, and carbon-sulfur compounds. Find …
Carbon dioxide - Wikipedia
Carbon dioxide is a chemical compound with the chemical formula CO2. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in the gas state at room temperature and at …
Carbon - Allotropes, Structure, Bonding | Britannica
Nov 9, 2024 · Carbon - Allotropes, Structure, Bonding: When an element exists in more than one crystalline form, those forms are called allotropes; the two most common allotropes of carbon are diamond and graphite.
Carbon - Element information, properties and uses | Periodic Table
Learn about carbon, the sixth element in the periodic table, and its various forms, such as diamond, graphite and graphene. Find out how carbon is essential to life, how it is used in …
Carbon: Facts about an element that is a key ingredient for life on ...
Mar 12, 2022 · Carbon is one of the most abundant elements and forms a very large number of compounds, including carbon dioxide, carbon monoxide and carbon disulfide.
Carbon group element | Properties, Uses & Reactions | Britannica
Carbon group element, any of the six chemical elements that make up Group 14 (IVa) of the periodic table—namely, carbon (C), silicon (Si), germanium (Ge), tin (Sn), lead (Pb), and …
Carbon footprint | Definition, Examples, Calculation, Effects,
Oct 29, 2024 · carbon footprint, amount of carbon dioxide (CO 2) emissions associated with all the activities of a person or other entity (e.g., building, corporation, country, etc.). It includes direct …
10 Facts About Carbon - ThoughtCo
Jul 19, 2019 · One of the most important elements for all living things is carbon. Carbon is the element with atomic number 6 and element symbol C. Here are 10 interesting carbon facts for …
Carbon - Wikiwand
Carbon (from Latin carbo 'coal') is a chemical element; it has symbol C and atomic number 6. It is nonmetallic and tetravalent —meaning that its atoms are able to form up to four covalent …
The Carbon Cycle - NASA Earth Observatory
Carbon flows between the atmosphere, land, and ocean in a cycle that encompasses nearly all life and sets the thermostat for Earth's climate. By burning fossil fuels, people are changing the …
Carbon – Wikipedia tiếng Việt
Carbon là nguyên tố phổ biến thứ 4 trong vũ trụ về khối lượng sau hydro, heli, và oxy. Carbon có rất nhiều trong Mặt Trời, các ngôi sao, sao chổi và bầu khí quyển của phần lớn các hành tinh.
Carbon - Wikipedia
Carbonul (din latină: carbo, „cărbune”) este un element chimic cu simbolul C și numărul atomic 6. Este un element nemetalic tetravalent, ceea ce înseamnă că poate forma legături covalente …
Ống nano carbon – Wikipedia tiếng Việt
Ống nano carbon. Mô hình 3D của ba loại ống nano carbon đơn vách. Hoạt hình cho thấy cấu trúc 3 chiều của một ống nano. Các ống nano carbon (Tiếng Anh: Carbon nanotube - CNT) là …
Carbone - Wikipedia
Il carbone (o carbon fossile) è un combustibile fossile costituito da una roccia sedimentaria di colore nero o bruno scuro. È estratto da miniere sotterranee o a cielo aperto.La formazione del …
Minería de carbón - Wikipedia, la enciclopedia libre
La minería de carbón ha tenido en años recientes varios avances, desde los tiempos de hombres haciendo túneles, excavando y extrayendo manualmente el carbón en carros hasta minas al …
Karbon dioksida - Wikipedia bahasa Indonesia, ensiklopedia bebas
Karbon dioksida dihasilkan oleh semua hewan, tumbuh-tumbuhan, fungi, dan mikroorganisme pada proses respirasi dan digunakan oleh tumbuhan pada proses fotosintesis. Oleh karena …
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