General chemistry

General chemistry

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General chemistry

iodine

Chemistry; General chemistry

A chemical element with the symbol I and atomic number 53. Iodine and its compounds are primarily used in nutrition, and industrially in the production of acetic acid and certain polymers.

The chemical element with the symbol Cs and atomic number 55. It is a soft, silvery-gold alkali metal with a melting point of 28 °C (82 °F), which makes it one of only five elemental metals that are ...

barium

Chemistry; General chemistry

A chemical element with the symbol Ba and atomic number 56. It is the fifth element in Group 2, a soft silvery metallic alkaline earth metal.

lanthanum

Chemistry; General chemistry

A chemical element with the symbol La and atomic number 57. Lanthanum is a silvery white metallic element that belongs to group 3 of the periodic table and is the first element of the lanthanide ...

cerium

Chemistry; General chemistry

A chemical element with the symbol Ce and atomic number 58. It is a soft, silvery, ductile metal which easily oxidizes in air. Cerium was named after the dwarf planet Ceres (itself named for the ...

praseodymium

Chemistry; General chemistry

A chemical element that has the symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group.

neodymium

Chemistry; General chemistry

A chemical element with the symbol Nd and atomic number 60. It is a soft silvery metal that tarnishes in air. Neodymium was discovered in 1885 by the Austrian chemist Carl Auer von Welsbach. It is ...