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→Periods
===Periods===
: The [[Period (Chemistry)|period]]s are arranged by the number of [[Electron Shell]]s.
{| class="wikitable"
====Trends within Periods====
: The [[Chemical Property|chemical]] and [[Physical Property|physical properties]] of [[element]]s change as you move along a [[Period (Chemistry)|period]].
{| class="wikitable"
| style="height:20px; width:300px; text-align:center;" |'''Period 2 Melting Points'''
|[[File:Period3MeltingPoints.png|center|300px]]
|-
| style="height:20px; width:300px; text-align:center;" |There is a trend in the [[Melting Point]]s as you move along the [[Period (Chemistry)|period]].| style="height:20px; width:300px; text-align:center;" |A similar trend can be seen in the next [[Period (Chemistry)|period]].
|}