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atomic number

a·tom·ic num·ber
A a

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [uh-tom-ik nuhm-ber]
    • /əˈtɒm ɪk ˈnʌm bər/
    • /əˈtɒm.ɪk ˈnʌmbə(r)/
    • US Pronunciation
    • US IPA
    • [uh-tom-ik nuhm-ber]
    • /əˈtɒm ɪk ˈnʌm bər/

Definitions of atomic number words

  • noun atomic number the number of protons in the nucleus of an atom of an element 3
  • noun atomic number a number representing the relative position of an element in the periodic table, in which the elements are arranged in the order of their nuclear charges; a number representing the positive charge or the number of protons in the nucleus of the atom of an element: isotopes have the same atomic number but different mass numbers 3
  • noun atomic number the number of positive charges or protons in the nucleus of an atom of a given element, and therefore also the number of electrons normally surrounding the nucleus. Symbol: Z. Abbreviation: at. no.; 1
  • noun atomic number number of protons in an atomic nucleus 1
  • noun atomic number number of electrons surrounding a nucleus 1
  • noun atomic number (physics, chemistry) The number, equal to the number of protons in an atom that determines its chemical properties. Symbol: Z. 0
See all 6 definitions of atomic number

Information block about the term

Origin of atomic number

First appearance:

before 1815
One of the 39% newest English words
First recorded in 1815-25

Historical Comparancy

Parts of speech for Atomic number

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Atomic number

atomic number popularity

This term is known only to a narrow circle of people with rare knowledge. Only 6% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

atomic number usage trend in Literature

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Synonyms for atomic number

noun atomic number

  • atomic mass — the mass of an isotope of an element in atomic mass units
  • atomic volume — the atomic weight (relative atomic mass) of an element divided by its density
  • atomic weight — the weight of one atom of an element expressed in atomic mass units: it is the average weight of all the isotopes of the element
All 4 Synonyms of atomic number

See also

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