Interactive periodic table with information on element scarcity, discovery dates, melting and boiling points, group, block, and period.

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Silicon (Si) is a chemical element with atomic number 14, used in various applications like electronics, construction, and medical devices.

Information about the element nitrogen, including its properties, sources, uses, scarcity, and more.

Magnesium is a chemical element with atomic number 12, used in various applications including sources, facts, and scarcity.

Explore the properties, uses, and facts about the element Gold (Au) in the periodic table.

Information about the element chlorine, including its properties, uses, sources, and alchemical symbols.

The art of alchemy was handed down through the centuries from Egypt and Arabia to Greece and Rome, and finally to western and central Europe. The word is derived from the Arabian phrase "al-kimia," which refers to the preparation of the Stone or Elixir by the Egyptians. The Arabic root "kimia" comes from the Coptic "khem" that alluded to …

Cobalt is an essential trace element, and forms part of the active site of vitamin B12. The amount we need is very small, and the body contains only about 1 milligram. Cobalt salts can be given to certain animals in small doses to correct mineral deficiencies. In large doses cobalt is …