what is the atomic weight for chlorine
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atomic weight For example, the atomic weight of the element chlorine is 35.453, determined by averaging the atomic masses and relative abundances of its two main naturally occurring isotopes, which have atomic masses of about 35 and 37.
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- Time for an atom lesson: Chlorine is number 17 on the Periodic Table, which means it has 17 protons. Chlorine-37 has 37 total protons and ne … utrons (that is not a coincidence-- Carbon-12 has 12 total, Hydrogen-1 has 1 total, etc.). The rest is simple math- 37 total minus 17 protons equals 20 neutrons.
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- These isotopes with an additional neutron add a tiny amount to hydrogens average atomic weight.The atomic weight of hydrogen is 1.0079, which means that one mole of hydrogen atoms (or 6.0221 x 1023 atoms of hydrogen) has a mass of 1.0079 grams.
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Molecular Weight and the Mole Molecular Weight and the Mole. The weight of a molecule is the sum of the weights of the atoms of which it is made. The unit of weight is the dalton, one-twelfth the weight of an atom of 12 C. Thus the molecular weight (MW) of water is 18 daltons.he weight of a molecule is the sum of the weights of the atoms of which it is made. The unit of weight is the dalton, one-twelfth the weight of an atom of 12 C. Thus the molecular weight (MW) of water is 18 daltons.
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- Atomic Weight: 79.904. Density: 3.125 g/cc. Melting Point: -7 degrees C; Boiling Point 58.8 degrees C. Bromine is a reddish-brown heavy volatile liquid and is a member of the halogen group of elements along with fluorine, chlorine and iodine.
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Chemical element The standard atomic weight (commonly called atomic weight) of an element is the average of the atomic masses of all the chemical element's isotopes as found in a particular environment, weighted by isotopic abundance, relative to the atomic mass unit (u). This number may be a fraction that is not close to a whole number.
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What Is the Molecular Weight of CaCl2? Quick Answer. The molecular weight of CaCl2 is 110.984 grams per mole. The molecular weight is the combined atomic weights of each atom contained within a compound. The chemical formula CaCl2 represents the compound calcium chloride. Continue Reading.
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- The formula of aluminium chloride is AlCl3. The atomic  weight of aluminium is 27 and that of chlorine is 35.5. That means  35.5*3 grams of chlorine will combine with 27 gra…ms of aluminium.  So 33 grams of chlorine will combine with 8.37 grams of aluminium.  The addition of both makes it 41.37 grams.
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Molecular Weight and the Mole Molecular Weight and the Mole The weight of a molecule is the sum of the weights of the atoms of which it is made. The unit of weight is the dalton, one-twelfth the weight of an atom of 12 C. Thus the molecular weight (MW) of water is 18 daltons. (We shall ignore the tiny error introduced by the presence of traces of other isotopes - 17 O, 18 O, and 2 H among the predominant 1 H and 16 O atoms.) Why is it important to know the molecular weight of a compound?
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Molar Mass Molecular Weight is the molar mass of a COVALENT compound. Molecular Mass is the mass of a given molecule (NOT MOLES of molecules). The units are atomic mass units (amu). 1amu =1.660 538 78210–27 kg 1 amu is 1/12 the mass of a carbon-12 atom which has a mass of 12.0000.
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What is the atomic mass of carbon? Carbon 13 has an atomic mass of 13.00335 and a natural abundance of 0.0107 (about 1.1%). Carbon 14 has an atomic mass of 14.003 and an abundance of 0.000000000001 (1 part in a trillion). Because it is so rare, carbon 14 makes an infinitesimal contribution to the average atomic mass.
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Flat fees, fair fees For a Canadian trademark application the government fee to file the application will always be $250. There are no classes in Canadian trademark practice (learn more about descriptions of goods/services in Canadian trademarks here) and accordingly, the filing fee is always this same amount of $250.
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What Are Atomic Number and Atomic Weight? The most well-known form of plutonium, for example, has an atomic number of 94, since it has 94 protons, and with the 145 neutrons in its nucleus, an atomic weight of 239 (94 protons plus 145 neutrons). In World War II, its very existence was highly classified.
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Monthly Archives: September 2013 The number of protons in the nucleus of an element is its atomic number. The atomic number of elements ascends along each row of the periodic table. The atomic number of chlorine is 17. Elements are arranged on the periodic table by their atomic number. Iron has an atomic number of 26.
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- Avogadro's number is the number of atoms required to make 1 gram of molecular hydrogen (not including the heavier isotopes of hydrogen). Sodium has a standard atomic weight of 22.99 amu (atomic mass units). A mole of Sodium atoms would weigh 22.99 grams.
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- The atomic number of bromine (Br) is 35. The atomic weight of Br is 79.904 grams per mole. Bromine is a diatomic molecule, Br2. See the Web Links to the left of this answer for a periodic table with more information about this element! 3 people found this useful.
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- The molar mass of chlorine is: 2 x 35.45 g/mol Cl = 70.90 g/mol Cl. 2. (Remember that chlorine exists as a diatomic molecule in nature) 2. The molar mass of carbon dioxide is: 12.01 g/mol C + (2 x 16.00 g/mol O) = 44.01 g/mol CO.
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Atom The most common isotope (the one displayed on the Periodic Table of Elements) has an atomic weight of 22.99 with a density of 968 kilograms per cubic meter.
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- Astatine. Astatine is a highly radioactive element and it is the heaviest known halogen. Its chemical properties are believed to be similar to those of iodine. Is has been little researched because all its isotopes have short half lives.hemical properties of astatine-Health effects of astatine-Environmental effects of astatine. Atomic number. 85. Atomic mass. (210) g.mol -1. Electronegativity according to Pauling. 2.2. Density.
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- The average atomic mass for carbon is 12.0107 amu. Because the atomic weights in the periodic table are weighted averages the tabulated atomic weight value doesn't match any actual atom, but is closer to the weight for the most common isotope.
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CHLORINE Chlorine is a dense gas with a density of 3.21 grams per liter. By comparison, the density of air is 1.29 grams per liter. Chlorine changes from a gas into a liquid at a temperature of -34.05°C (-29.29°F) and from a liquid to a solid at -101.00°C (-149.80°F). The gas is soluble (dissolvable) in water.
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Average Atomic Mass Question 3: Calculate the average atomic mass of the chlorine which has two naturally occurring isotopes. The Percent abundance of 35 Cl (mass = 34.969 amu) is 75.53% and the percent abundance of 37 Cl (mass = 36.966 amu) is 24.47%.
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- Look up each element in your compound on the periodic table to find its molecular weight. To do this, find a periodic table and search for the symbol corresponding to your element. For example, you would search for sodium, or Na, in the periodic table to find that its molecular weight is 23.The molecular mass of chloride is 35. Add up the molecular weights to get the molar mass.n this case, you would divide the molar mass (58) by the total weight of salt that you have (46) to get 1.26 moles. This is the total number of moles of the compound, sodium chloride, that you have.
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- The atomic number of carbon (C) is 6. The atomic weight of C is 12.011 grams per mole. The atomic number of an element is the number of protons in the element. Carbon has 6 protons and therefore has an atomic number of 6 (See the Related Links below this answer for a periodic table with more information about this element)
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Chlorine Compound of the Month: Chlorine: A Multi-tasking Molecule Chlorine is counted among this group along with hydrogen (H 2), iodine (I 2), bromine (Br 2), oxygen (O 2), nitrogen (N 2) and fluorine (Fl 2). With seven electrons in its outermost orbit--one electron short of a stable eight-- the element chlorine exists in nature as a diatomic molecule. This arrangement allows two chlorine atoms to share their outermost orbit electrons, achieving stability, compared to the single atom.
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Molar mass 8), chlorine (Cl 2). The molar mass of molecules of these elements is the molar mass of the atoms multiplied by the number of atoms in each molecule: M(H 2) = 2 × 1.007 97(7) × 1 g/mol = 2.015 88(14) g/mol M(S 8) = 8 × 32.065(5) × 1 g/mol = 256.52(4) g/mol M(Cl 2) = 2 × 35.453(2) × 1 g/mol = 70.906(4) g/mol.