Tag Archives: element found years






Elements, Symbols, Atomic Numbers, Discoveries &Date

ELEMENTS, SYMBOLS, ATOMIC NUMBERS, DISCOVERIES &DATE ELEMENT SYMBOL ATOMIC NO. DICOVERER DATE Actinium Ac 89 A.Debierne 1899 aluminium Al 13 F.Wohler 1827 Americium Am 95 G. Seaborg & others 1944 Antimony Sb 51 B.Valentine 1604 Argon A 18 W.Ramsay&J.Rayleigh 1894 Arsenic As 33 A.Magnus 1250 Astatine At 85 E.Segre& others 1940 Barium Ba 56  H.Davy

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