Definition of atomic weight in English:

atomic weight

noun

Chemistry

another term for relative atomic mass
Example sentencesExamples
- The sum of the atomic mass of the protons and neutrons determines the atomic mass or atomic weight of the nucleus.
- Atoms of an element that have the same atomic number but a different atomic weight are referred to as isotopes.
- In general the molecular weight of a molecule is the sum of the atomic weights of its constituent atoms.
- Hydrogen is the lightest element, so it provides a convenient unit for measuring the relative atomic weights of the other elements.
- Finding that the isotopes of neon have atomic weights that are whole numbers vindicated Prout's hypothesis that hydrogen was the basis for all the elements.
- It has an atomic number of 101 and an approximate atomic weight of 258.

Definition of atomic weight in US English:

atomic weight

nounəˈtɑmɪk weɪtəˈtämik wāt

Chemistry

another term for atomic mass
Example sentencesExamples
- Atoms of an element that have the same atomic number but a different atomic weight are referred to as isotopes.
- Finding that the isotopes of neon have atomic weights that are whole numbers vindicated Prout's hypothesis that hydrogen was the basis for all the elements.
- In general the molecular weight of a molecule is the sum of the atomic weights of its constituent atoms.
- It has an atomic number of 101 and an approximate atomic weight of 258.
- Hydrogen is the lightest element, so it provides a convenient unit for measuring the relative atomic weights of the other elements.
- The sum of the atomic mass of the protons and neutrons determines the atomic mass or atomic weight of the nucleus.

单词	atomic weight
释义	Definition of atomic weight in English: atomic weight noun Chemistry another term for relative atomic mass Example sentencesExamples The sum of the atomic mass of the protons and neutrons determines the atomic mass or atomic weight of the nucleus. Atoms of an element that have the same atomic number but a different atomic weight are referred to as isotopes. In general the molecular weight of a molecule is the sum of the atomic weights of its constituent atoms. Hydrogen is the lightest element, so it provides a convenient unit for measuring the relative atomic weights of the other elements. Finding that the isotopes of neon have atomic weights that are whole numbers vindicated Prout's hypothesis that hydrogen was the basis for all the elements. It has an atomic number of 101 and an approximate atomic weight of 258. Definition of atomic weight in US English: atomic weight nounəˈtɑmɪk weɪtəˈtämik wāt Chemistry another term for atomic mass Example sentencesExamples Atoms of an element that have the same atomic number but a different atomic weight are referred to as isotopes. Finding that the isotopes of neon have atomic weights that are whole numbers vindicated Prout's hypothesis that hydrogen was the basis for all the elements. In general the molecular weight of a molecule is the sum of the atomic weights of its constituent atoms. It has an atomic number of 101 and an approximate atomic weight of 258. Hydrogen is the lightest element, so it provides a convenient unit for measuring the relative atomic weights of the other elements. The sum of the atomic mass of the protons and neutrons determines the atomic mass or atomic weight of the nucleus.
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