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===Meaning===
The [[Periodic Table]] is a chart listing all the known [[element]]s arranged in order of [[Atomic Number]] and in columns of [[element]]s with similar [[Property|properties]].
===About The Periodic Table===
: The modern [[Periodic Table]] has the [[element]]s arranged by [[Atomic Number]] and [[Chemical Property|chemical properties]].
: [[Element]]s on the [[Periodic Table]] are written with their [[Chemical Symbol]]s and two numbers representing their [[Relative Atomic Mass]] and [[Atomic Number]].
: The [[Relative Atomic Mass]]es on the [[Periodic Table]] are an [[Mean Average|average]] [[Relative Atomic Mass|atomic mass]] of different [[isotope]]s of the same [[element]].
: The columns of the [[Periodic Table]] are called [[Group (Chemistry)|group]]s.
: The rows of the [[Periodic Table]] are called [[Period (Chemistry)|period]]s.
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