英语词汇“atomic number”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

atomic number

noun Chemistry

The number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table. (Symbol: Z) In those cases in which the number of protons changes, the new nucleus has a different atomic number, and it therefore belongs to a different element....

In a neutral atom, the number of electrons is equal to the number of protons, therefore, the atomic number also indicates the number of electrons in an atom.
We now have data on the properties of 29 new nuclei with atomic numbers between 104 and 118.

单词	atomic number
释义	atomic number noun Chemistry The number of protons in the nucleus of an atom, which is characteristic of a chemical element and determines its place in the periodic table. (Symbol: Z) In those cases in which the number of protons changes, the new nucleus has a different atomic number, and it therefore belongs to a different element.... In a neutral atom, the number of electrons is equal to the number of protons, therefore, the atomic number also indicates the number of electrons in an atom. We now have data on the properties of 29 new nuclei with atomic numbers between 104 and 118.
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