Difference between revisions of "Atomic number"
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| − | + | The '''atomic number''' is the number of protons in an [[atom|atom's]] [[nucleus]].<ref>Wile, Jay L. ''Exploring [[Creation]] With Physical [[Science]]''. Apologia Educational Ministries, Inc. 1999, 2000.</ref> (It is also the number of electrons surrounding the nucleus, if the atom is electrically neutral.) In many representations of the [[periodic table of the elements]] this number is placed either above the element's symbol or in the upper right hand corner. | |
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| + | ==References== | ||
| + | <references/> | ||
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| + | ==See also== | ||
| + | *[[Mass number]] | ||
| + | *[[Atomic mass]] | ||
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| + | [[Category:Chemical Properties]] | ||
| + | [[Category:Physics]] | ||
Latest revision as of 16:32, March 29, 2009
The atomic number is the number of protons in an atom's nucleus.[1] (It is also the number of electrons surrounding the nucleus, if the atom is electrically neutral.) In many representations of the periodic table of the elements this number is placed either above the element's symbol or in the upper right hand corner.