What we found on the web about Atomic Number
In chemistry and physics, the atomic number (also known as the proton number) is the number of protons found in the nucleus of an atom and therefore identical to the charge number ...
A table of chemical elements ordered by atomic number and color coded according to type of element. Given is each element's name, element symbol, group and period, Chemical series ...
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 ...
More on atomic number from Infoplease: atomic number: meaning and definitions - atomic number: Definition and Pronunciation; periodic law: Introduction of Atomic Numbers ...
atomic number. Number of protons in the nucleus of an atom. It is equal to the positive charge on the nucleus. In a neutral atom, it is also equal to the number of electrons ...
Atomic Number In the modern periodic table, the elements are actually arranged in order of increasing atomic number--that's the number of protons in one atom of a particular ...
number /num·ber/ (num´ber) a symbol, as a figure or word, expressive of a certain value or a specified quantity determined by count. atomic number (Z) a number expressive of the ...
Essential data: name, symbol, atomic number, and atomic weight; block, period, group number, and group name in periodic table; description; standard state; registry number ...
The atomic number describes the number of protons in an atom. For hydrogen the atomic number, Z, is equal to 1. For helium Z = 2. Since the number of protons equals the number ...
A glossary of scientific terms. ... Return to the Glossary Index Page | Atomic Number. The atomic number is equal to the number of protons in an atom's nucleus.
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In chemistry and physics, the atomic number (also known as the proton number) is the number of protons found in the nucleus of an atom and therefore identical to the charge number of the nucleus. It is conventionally represented by the symbol Z. The atomic number uniquely identifies a chemical element. In an atom of neutral charge, atomic number is equal to the number of electrons.

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