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atomic number
(redirected from Nuclear charge)

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
atomic number
n. Symbol Z Abbr. at. no.
The number of protons in an atomic nucleus.

atomic number
n
(Physics / General Physics) the number of protons in the nucleus of an atom of an element. Abbreviation at. no. Symbol Z Also called proton number

atomic number
The number of protons in the nucleus of an atom. In electrically neutral atoms, this number is also equal to the number of electrons orbiting about the atom's nucleus. The atomic number of an element determines its position in the Periodic Table, and is usually denoted by the letter Z and written as a subscript before an element's symbol, as in 92U.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.atomic number - the order of an element in Mendeleyev's table of the elementsatomic number - the order of an element in Mendeleyev's table of the elements; equal to the number of protons in the nucleus or electrons in the neutral state of an atom of an element
number - a concept of quantity involving zero and units; "every number has a unique position in the sequence"
magic number - the atomic number of an extra stable strongly bound atomic nucleus: 2, 8, 20, 28, 50, 82 or 126
Translations
atomic number n (Chem) → numero atomico


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They also had no way to ascertain that the electronic (negative) charge is concentrated at the oxygen end of the molecule, owing partly to the nonbonding electrons and partly to oxygen's higher nuclear charge which exerts stronger attractions on the electrons.
The total power of nuclear charges in the atmosphere and on the surface of the STS was 2,500 times more than that of the power released by the bomb dropped on Hiroshima.
In addition, smaller nuclear powers might be tempted to base more of their nuclear charges on aircraft compared to missiles.
 
 
 
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