Atomic numberorAtomic number(Atom number or Number of atoms), notAtomic number(Atomic number), indicating that an element is in a non monatomic state（moleculeorchemical compound）Number of hours, atchemical formulaWritten inElement symbolThe lower right (subscript) of the.
Atoms are composed of positively chargedNucleusAnd nuclearCoulomb fieldThe composition of negatively charged electrons in motion.It is the smallest constituent unit of a chemical element and the basic unit of molecules and substances. It haschemical property。The number of atoms is the number of atoms.[1]
Difference between atomic number and atomic number
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Atomic number(atomic number) means that the elementperiodic tableThe sequence number in the.Numerically equal to the number of nuclear charges (i.e., the number of protons) or neutral atomsNumber of extranuclear electronsFor example, the atomic number of carbon is 6, and its nuclear charge (proton number) or extranuclear electron number is also 6.Atomic numberThe symbol of is Z.
Atomic number and atomic number are completely different concepts.[1]
