C12 is a stable isotope of carbon. It is the most common form of carbon, making up about 98.89 percent of all carbon and is produced by the triple-alpha process in stars.
Carbon 12 It has the atomic number of 12
The mass of an atom of C12 is exactly 12 atomic mass units by definition. In other words, the precise value of Mu was chosen by the scientific community to make C12 weigh 12 Mu. The exact mass (in grams) of 1 Mu is 1/NA where NA is Avogadro's number. That means that the mass of 1 atom of C12 weighs 12/NA grams. Since NA ~=6 X 10 23 1 atom of C12 weighs 12/(6 x 1023 ) grams, or ~= 2 x 10-23 gm.
=c12/c6
The molecular mass of lactose (C12H22O11) is approximately 342.3 g/mol. This is calculated by adding the atomic masses of each element present in the compound (12 carbons, 22 hydrogens, and 11 oxygens).
A sugar cube !
Carbon 12 It has the atomic number of 12
Carbon-12 (C-12) is one of the stable isotopes of the element carbon. It is composed of six protons and six neutrons in its nucleus. This isotope makes up the majority of naturally occurring carbon on Earth.
The mass of an atom of C12 is exactly 12 atomic mass units by definition. In other words, the precise value of Mu was chosen by the scientific community to make C12 weigh 12 Mu. The exact mass (in grams) of 1 Mu is 1/NA where NA is Avogadro's number. That means that the mass of 1 atom of C12 weighs 12/NA grams. Since NA ~=6 X 10 23 1 atom of C12 weighs 12/(6 x 1023 ) grams, or ~= 2 x 10-23 gm.
C12 and C14 are isotopes of the Element Carbon. C12 is the most abundant of all which is 99% of all the Carbon on earth while C14 is only 0.0000000001% (trace amount). C12 has a Atomic Number of 12. It has 6 Protons and 6 Neutrons. C14 has a Atomic Number of 14. It has 6 Protons and 8 Neutrons. C14 is radioactive in nature. It is used for carbon dating.
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C12 is an isotope of the element carbon. It is not a compound since compounds are formed when two or more different elements chemically combine.
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DARK REACTION - In stroma -synthesis - C12
12 CO2 + 11 H2 O = C12 H22 O11 + 12 O2 carbon dioxide + water = sucrose + oxygen
=c12/c6
Carbon is available in three isotopes, C12, C13 and C14. C12 is the most common.
=SUM(A2:A5)+C12