Molecular mass
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| Molecular mass | |
|---|---|
| Term | Molecular mass |
| Short definition | molecular mass - (pronounced) (muh-LEH-kyoo-ler mas) The sum of the atomic masses of all the atoms in a molecule, based on a scale where the atomic masses of hydrogen, carbon, nitrogen, and oxygen are 1, 12, 14, and 16, respectively. For example, the molecular mass of water, which has two hydrogen atoms and one oxygen atom, is 18 (i. |
| Type | Cancer terms |
| Specialty | Oncology |
| Language | English |
| Source | NCI |
| Comments | |
molecular mass - (pronounced) (muh-LEH-kyoo-ler mas) The sum of the atomic masses of all the atoms in a molecule, based on a scale where the atomic masses of hydrogen, carbon, nitrogen, and oxygen are 1, 12, 14, and 16, respectively. For example, the molecular mass of water, which has two hydrogen atoms and one oxygen atom, is 18 (i. e. 2 + 16). Also called molecular weight
External links
- Medical encyclopedia article on Molecular mass
- Wikipedia's article - Molecular mass
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