No. It equals 4 amu.
From Wikipedia: "... It is defined as one twelfth of the mass of an unbound neutral atom of carbon-12 ..." Thus, to prove that it has a certain mass, you would have to carry out exact measurements of the mass of carbon-12 atoms.
Atomic mass is the measure of a mass of one atom in relation to 1/12 mass of Carbon 12 atom and measured in atomic mass unit(amu) or Dalton unit or grams/mol.Relative atomic mass is also the relative mass but does not have a unit but a ratio number.
One-twelfth the mass of a carbon-12 atom or 1,660538921(73)×10−27 kg.
With a stop watch or a clock. If you're asking how do we determine what a second is (In the SI- International system of units), then that is determined by the oscillation of a Cesium Atom's Microwave. No matter what the conditions, the cesium atom's full oscillation will always equal one second. No matter where in the world. Really neat phenomenon.
No - one eighth is equal to 0.125. 0.25 is equal to one quarter.
The mass of a helium-4 atom is 4,002 602 amu.
One sulfur atom has an atomic mass of 32.07 amu. Therefore, to find the number of sulfur atoms that equal a mass of 32.07 amu, you would need just one sulfur atom.
1: 24.31 is the approximate atomic weight of magnesium.
one mole of He
The formula mass of a molecule made up of only one atom is simply the atomic mass of that element. This mass is typically expressed in atomic mass units (amu) and can be found on the periodic table. For example, the formula mass of a helium atom (He) is approximately 4.00 amu, which corresponds to its atomic mass.
The atomic mass number of an atom, if the atom's mass number is approximately equal to 0.33 that of carbon-12, would be 4. If the question is about actual masses rather than mass numbers, the mass of a helium-4 atom is about 4.00260 atomic mass units, while the mass of a carbon-12 atom is, by definition, exactly 12.000..... atomic mass units.
If it is being fused it must be fused with something. If 2 atoms of hydrogen (deuterium) fuse to form one atom of helium then there is a difference of mass of (2.0141 x 2) amu - 4.002602 amu = 0.025598 amu 0.025598 amu x ( 931 Mev / amu) = 23.831738 Mev So if you want an amount per atom of hydrogen, divide by 2. 11.92 Mev per deuterium atom
Helium is an element- the second one in the periodic table.
a unit of mass used to express atomic and molecular weights, equal to one-twelfth of the mass of an atom of carbon-12. It is equal to approximately 1.66 x 10^-27 kg.
Helium has one kind of atom: helium.
32 g
AMU stands for atomic mass unit. It is a unit of mass used to express atomic and molecular weights. One atomic mass unit is defined as a mass equal to one twelfth the mass of a carbon-12 atom.