Scientific Discovery Filter Scientific Discovery topics

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x name x image x Discovered By x Date Discovered x Discovery Location x article
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x Hydrogen Hydrogen Henry Cavendish 1766 England
Hydrogen (pronounced /ˈhaɪdrɵdʒɨn/, HYE-dro-jin) is the chemical element with atomic number 1. It is represented by the symbol H. At standard temperature and pressure, hydrogen is a colorless, odorless, nonmetallic, tasteless, highly flammable...
x Helium Helium Nils Langet 1895 Scotland
Helium (pronounced /ˈhiːliəm/, HEE-lee-əm) is the chemical element with atomic number 2, and is represented by the symbol He. It is a colorless, odorless, tasteless, non-toxic, inert monatomic gas that heads the noble gas group in the periodic table...
William Ramsay Sweden
Per Teodor Cleve
x Lithium Lithium Johan August Arfwedson 1817  
Lithium (pronounced /ˈlɪθiəm/, LITH-ee-əm) is a soft, silver-white metal that belongs to the alkali metal group of chemical elements. It is represented by the symbol Li, and it has the atomic number three. Under standard conditions it is the...
x Beryllium Be foils Friedrich Wöhler 1798 Germany
Beryllium (pronounced /bəˈrɪliəm/, bə-RIL-ee-əm) is the chemical element with the symbol Be and atomic number 4. A bivalent element, beryllium is found naturally only combined with other elements in minerals. Notable gemstones which contain...
Antoine Bussy France
x Boron Boron Humphry Davy 1808 England
Boron (pronounced /ˈbɔrɒn/) is the chemical element with atomic number 5 and the chemical symbol B. Boron is a trivalent metalloid element which occurs abundantly in the evaporite ores borax and ulexite. Several allotropes of boron exist: amorphous...
Joseph Louis Gay-Lussac France
Louis Jacques Thénard
x Nitrogen Nitrogen Daniel Rutherford 1772 Scotland
Nitrogen (pronounced /ˈnaɪtrɵdʒɨn/ NYE-tro-jin) is a chemical element that has the symbol N and atomic number 7 and atomic mass 14.00674 u. Elemental nitrogen is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions,...
x Oxygen Oxygen Joseph Priestley 1774 England
Oxygen (pronounced /ˈɒksɨdʒɨn/, OK-si-jin, from the Greek roots ὀξύς (oxys) (acid, literally "sharp", from the taste of acids) and -γενής (-genēs) (producer, literally begetter) is the element with atomic number 8 and represented by the symbol O. It...
Carl Wilhelm Scheele Sweden
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