Period 3 Element - Elements

Elements

Chemical element Chemical series Electron configuration
11 Na Sodium Alkali metal 3s1
12 Mg Magnesium Alkaline earth metal 3s2
13 Al Aluminium Post-transition metal 3s2 3p1
14 Si Silicon Metalloid 3s2 3p2
15 P Phosphorus Nonmetal 3s2 3p3
16 S Sulfur Nonmetal 3s2 3p4
17 Cl Chlorine Halogen 3s2 3p5
18 Ar Argon Noble gas 3s2 3p6

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