Potassium is the chemical element with the symbol K and atomic number 19. Potassium …
Category:
Periodic Table
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Magnesium is a chemical element with the symbol Mg and atomic number 12. It …
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Lithium is a chemical element with the symbol Li and atomic number 3. It …
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Helium is a chemical element with the symbol He and atomic number 2. It …
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Arsenic is a chemical element with the symbol As and atomic number 33. Arsenic …
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Nickel is a chemical element with symbol Ni and atomic number 28. It is …
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Cu and atomic number 29. It is a soft, malleable, and ductile metal with …
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Sulfur is a chemical element with the symbol S and atomic number 16. It …
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Hydrogen is the chemical element with the symbol H and atomic number 1. Hydrogen …