Uranium Atomic Mass

Uranium Atomic Mass Number
Uranium Atomic Mass G

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These are the primary fissionable materials used in atomic bombs. A small amount of uranium-235, say 0.45 kg (1 pound), cannot undergo a chain reaction and is thus termed a subcritical mass; this is because, on average, the neutrons released by a fission are likely to leave the assembly without striking another nucleus and causing it to fission. Uranium is a weakly radioactive element with an atomic number 92 and symbol U in the periodic table. Uranium is one of the heavy metals that can be utilized as a rich source of concentrated energy. The element exists in many rocks in the concentration of 2 to 4 ppm (parts per million) and common in Earth’s crust as tungsten and tin. Uranium plays a major role in the natural radioactive series on the earth. 235 U is the progenitor of the uranium-235 series, 238 U the progenitor of the uranium-238 series, and 233 U is a member of the neptunium-237 series.Uranium-235 is the most important isotope for nuclear fission. From Evans: '238 U does show a half-period of about 10 16 years for spontaneous fission, or about 25. Atomic mass is an absolute mass, relative isotopic mass is a number without proportions and without units. To measure the number of atoms in a sample you will figure out how many moles the sample element contains. A mole is the choice of unit chemists. It’s equal to Avogadro’s number (6.02 X 1023) of atoms.

Please provide values below to convert Atomic mass unit [u] to gram [g], or vice versa.

Atomic Mass Unit to Gram Conversion Table

Atomic Mass Unit [u]	Gram [g]
0.01 u	1.6605402E-26 g
0.1 u	1.6605402E-25 g
1 u	1.6605402E-24 g
2 u	3.3210804E-24 g
3 u	4.9816206E-24 g
5 u	8.3027009999999E-24 g
10 u	1.6605402E-23 g
20 u	3.3210804E-23 g
50 u	8.3027009999999E-23 g
100 u	1.6605402E-22 g
1000 u	1.6605402E-21 g

How to Convert Atomic Mass Unit to Gram

1 u = 1.6605402E-24 g
1 g = 6.0221366516752E+23 u

Example: convert 15 u to g:
15 u = 15 × 1.6605402E-24 g = 2.4908103E-23 g

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Molar Mass, Molecular Weight and Elemental Composition Calculator

Molar mass of uranium is 238.028910 ± 0.000030 g/mol
Compound name is uranium
Convert between U weight and moles

Compound	Moles		Weight, g
U

Elemental composition of U

Element	Symbol	Atomic weight	Atoms	Mass percent
Uranium	U	238.02891	1	100.0000

Mass percent composition

Atomic percent composition

Sample reactions for U

Equation	Reaction type
U + F₂ = UF₆	synthesis

Formula in Hill system is U

Computing molar mass (molar weight)

To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use:

Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.
Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg
parantesis () or brackets [].
Common compound names.

Examples of molar mass computations: NaCl, Ca(OH)2, K4[Fe(CN)6], CuSO4*5H2O, water, nitric acid, potassium permanganate, ethanol, fructose.
Molar mass calculator also displays common compound name, Hill formula, elemental composition, mass percent composition, atomic percent compositions and allows to convert from weight to number of moles and vice versa.

Computing molecular weight (molecular mass)

To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets.
Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2.

Definitions of molecular mass, molecular weight, molar mass and molar weight

Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

Weights of atoms and isotopes are from NIST article.
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