Science
Watch Lesson: Elements and the Periodic Table
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Alkali Metal
Alkali Metal Simple Definition
Conductivity
Conductivity Simple Definition
Diatomic Molecule
Diatomic Molecule Simple Definition
Group
Group Simple Definition
Halogen
Halogen Simple Definition
Luster
Luster Simple Definition
Metal
Metal Simple Definition
Metalloid
Metalloid Simple Definition
Noble Gas
Noble Gas Simple Definition
Nonmetal
Nonmetal Simple Definition
Period
Period Simple Definition
Periodic Table
Periodic Table Simple Definition
Radioactive Decay
Radioactive Decay Simple Definition
Radioactivity
Radioactivity Simple Definition
Semiconductor
Semiconductor Simple Definition
Transition Element
Transition Element Simple Definition