[DOC] [TLE] Chemistry for Biologists: Some basic chemistry [PAR] To understand biological substances and the changes that take place in living 
organisms you need ... Diagram of carbon atom - nucleus with electrons orbiting 
... An element is a substance made up of atoms with the same number of protons. 
... Sulfuric acid, H2SO4, H2SO4, 2 hydrogen atoms : 1 sulfur atom: 4 oxygen 
atoms. [DOC] [TLE] What is 1/12 the mass of a carbon-12 atom? | Reference.com [PAR] The atomic mass unit, or amu, is 1/12 the mass of one atom of carbon-12. An 
atomic mass unit has the ... Why isn't the atomic mass usually a whole number? ... 
Hydrogen, the lightest element, has an average mass of 1.00794 amu. ... One 
mole of carbon-12 atoms, or 6.0221415 * 10^23 atoms, weighs exactly 12 grams. [DOC] [TLE] Counting Molecules Using Avogradro's Number - dummies [PAR] The number of atoms in one mole (in 12.0 grams of carbon-12) has been ... Each 
sulfur atom has a different mass from each carbon atom, so even if you ... out how 
many atoms of carbon are in a 1 carat diamond: 1 carat is equal to ... For example
, water is made up of two hydrogen atoms for every one oxygen atom (H2O). [DOC] [TLE] Why do we take 1/12 mass of a carbon atom instead of the mass of ... [PAR] Thanks for the A2A! I assume you mean as the definition of an atomic unit. Since 
protons and ... There are several atoms smaller than carbon-12 with the same 
number of protons and neutrons, (for example, ... Hence 1 proton weighs equal to 
1 neutron = 1/12 of a carbon-12 atom which has 6 protons and 6 neutrons. [DOC] [TLE] What is the mass of one Carbon 12 atom in grams? - Quora [PAR] Daniel is right: it can't. (12 g/mol) / (6.022e23/mol) = 1.9927e-23 g OK; 12 amu = 
12 ... Why do we take 1/12 mass of a carbon atom instead of the mass of the 
whole element of ... 12 x 1.66 x 10^-24 = 1.992 x 10^-23, so is equal to the above. 
... e.g. 1 gram of atomic hydrogen contains 1 Avogadro's number of atoms, 2 
grams of... [DOC] [TLE] Stoiciometry [PAR] At one time, the lightest atom was assigned a mass of 1 amu and the mass of any 
... weights of the 12 carbon atoms, 22 hydrogen atoms, and 11 oxygen atoms in a 
... we refer to a number of particles equal to the number of atoms in exactly 12... [DOC] [TLE] homework - Why is weight of 1 mole of substance equal to atomic ... [PAR] Apr 25, 2014 ... Now take the real definition of a mole: .... One twelfth of the mass of a carbon-12 
atom in its nuclear and electronic ground state, ... which contains as many 
elementary entities as there are atoms in 0.012 kilogram of carbon-12. ...... But 
why is the molecular weight of hydrogen 2 and it's molar weight also 2g? [DOC] [TLE] Avogadro's Number and the Mole - Boundless [PAR] The mass of one mole of a substance is equal to that substance's molecular 
weight. ... contains as many particles as there are atoms in 12 grams of pure 
carbon-12 ... since one atom of oxygen will combine with two atoms of hydrogen 
to create... [DOC] [TLE] The How and Why of Mols - garlikov [PAR] A mol is the number of atoms or molecules it takes to make up the the atomic ... 
up 16 grams of oxygen as make up 12 grams of carbon or 1 gram of hydrogen, .... 
of A it takes to equal its atomic weight in grams, that same number of atoms of B... [DOC] [TLE] How many hydrogen atoms would you find in 1g of hydrogens? [PAR] ... is equivalent to the number of atoms in 12 grams of pure carbon-12, which is 
always 6.022 x ... The atomic weight of hydrogen is 1.0079, which means that 
one mole of ... grams of hydrogen per mole, then you can find out the number of 
hydrogen atoms ...

Question: Number of hydrogen atoms it takes to equal the weight of one carbon atom
Answer: 12