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"
The atomic number of potassium, like that for any other element, is the number of protons in each atom of the element.
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atomic number - the number of protons within an atom's nucleus. Thanks for
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Chemical properties repeat in a pattern - discovering the reason for the repetition led to the modern periodic table. The periodic table was organized and updated many times before
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atomic number 10: a colorless odorless gaseous element that give a red glow in a vacuum tube
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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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