astatine
61ASTATE — Du grec astatos , instable Symbole chimique: At Numéro atomique: 85. A été appelé ékaiode et alabame. Les Anglo Saxons le nomment astatine. Dernier élément du groupe des halogènes dont la place dans le tableau périodique était restée vide… …
62Diatomic molecule — A periodic table showing the elements that form diatomic molecules …
63Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
64Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …
65Oxygen — This article is about the chemical element and its most stable form, O2 or dioxygen. For other forms of this element, see Allotropes of oxygen. For other uses, see Oxygen (disambiguation). nitrogen ← oxygen → fluorine ↑ O ↓ …
66Radon — This article is about the chemical element. For other uses, see Radon (disambiguation). astatine ← radon → francium Xe ↑ Rn ↓ Uuo …
67University of Twente — Infobox University| name = University of Twente established = 1961 type = Public rector = Prof. dr. Henk Zijm motto = De ondernemende universiteit (The entrepreneurial university) website = [http://www.utwente.nl/en www.utwente.nl/en] city =… …
68At sign — Not to be confused with Enclosed A: Ⓐ. @ At sign Punctuation apostrophe …
69Inorganic compounds by element — This page aims to list concisely all of the common inorganic and organometallic compounds of each element, whether or not they have an existing page. These are compounds that may warrant their own individual pages. Compounds are listed… …
70Joshua Vaughan Himes — (1805–1895) was a Christian leader and publisher. He became involved with the followers of William Miller and later became a prominent leader in the Advent Christian Church. Biography Himes was born in Wickford, Rhode Island. His parents intended …
