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Related articles:
Periodic table
Argon
Atomic number
History of chemistry
Antoine Lavoisier
Technetium
Key terms: elements z atomic weight chemical periodic table mendeleev meyer properties included moseley groups discovery chemistry substance predicted discovered argon classified concept lavoisier tellurium published triads iodine newlands actinide arranged potassium valence russian new elements proposed complete atomic numbers noble gas classroom chemical element classical element henry moseley these elements known elements chemical properties dmitri mendeleev Search external links cited by footnotes on Wikipedia page History of the periodic table: |
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