What Is the Definition of Atomic Number?

Answer

The atomic number is the number of protons in the nucleus of an atom. It is unique for each element and is usually designated by a subscript to the left of the elemental symbol.
Q&A Related to "What Is the Definition of Atomic Number"
It is the number equal to the number of protons in the nucleus of an atom. the number of electron or proton present in anyatom is called "atomic number/Charge number" of
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atomic number 5: a trivalent metalloid element
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1 Additional Answer
Ask.com Answer for: what is the definition of atomic number
atomic number
NOUN
1.
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. Abbreviation: at. no.; Symbol: Z
Source: Dictionary.com
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