Name: Helium Symbol: He Atomic Number: 2 Atomic Mass: 4.002602 amu Melting Point:-272.0 °C (1.15 K, -457.6 °F) Boiling Point:-268.6 °C (4.549994 K, -451.48 °F) Number of Protons/Electrons: 2 Number of Neutrons: 2 Classification: Noble Gas Crystal Structure: Hexagonal Density @ 293 K: 0.1785 g/cm 3 Color: colorless Atomic Structure. Helium's atomic mass is 4.003, (carbon is 12.0107, oxygen is 15.9994). Multiply the atomic mass number by the molar mass constant (defined as 0.001 kg/mol. Or 1 gram/mol.), thus making the molar mass 4.003 grams/mol.
Please provide values below to convert Atomic mass unit [u] to kilogram [kg], or vice versa.
Atomic Mass Unit to Kilogram Conversion Table
Atomic Of Helium
| Atomic Mass Unit [u] | Kilogram [kg] |
|---|---|
| 0.01 u | 1.6605402E-29 kg |
| 0.1 u | 1.6605402E-28 kg |
| 1 u | 1.6605402E-27 kg |
| 2 u | 3.3210804E-27 kg |
| 3 u | 4.9816206E-27 kg |
| 5 u | 8.3027009999999E-27 kg |
| 10 u | 1.6605402E-26 kg |
| 20 u | 3.3210804E-26 kg |
| 50 u | 8.3027009999999E-26 kg |
| 100 u | 1.6605402E-25 kg |
| 1000 u | 1.6605402E-24 kg |
Atomic Mass Of Helium 4
How to Convert Atomic Mass Unit to Kilogram
1 u = 1.6605402E-27 kg
1 kg = 6.0221366516752E+26 u
Example: convert 15 u to kg:
15 u = 15 × 1.6605402E-27 kg = 2.4908103E-26 kg
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