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Curated category

Alchemical substances

  • ZincZinc carries the symbol Zn and holds atomic number 30 on the periodic table. It sits as the first element in group 12, also known as IIB.
  • GypsumA hand can bend a crystal of gypsum under its own pressure. This physical trait defines the mineral on the Mohs scale as having a hardness value of 2.
  • Sulfuric acidA single drop of pure sulfuric acid weighs 1.84 grams per milliliter, making it nearly twice as dense as water. This viscous liquid appears colorless and…