List of misidentified chemical elements

|data-sort-value="Allison, Fred" | Fred Allison

|

|data-sort-value="Druce, Gerald J. F." | Gerald J. F. Druce, Frederick H. Loring

|

| See Helvetium

|data-sort-value="Nicholson, J. W." | J. W. Nicholson

|

|data-sort-value="Lockyer, Norman" | Norman Lockyer, Carl David Tolmé Runge, Friedrich Paschen

|

|data-sort-value="Huggins, William" | William Huggins

| {{Cite web|url=https://books.google.com/books?id=91hHDAAAQBAJ&dq=aurorium+huggins&pg=PA8|title = Interstellar and Intergalactic Medium|last1 = Ryden|first1 = Barbara|last2 = Pogge|first2 = Richard}}

|data-sort-value="Fermi, Enrico"| Enrico Fermi

|

|data-sort-value="Linnemann, Eduard"| Eduard Linnemann

| Hypothesised from spectral line observations in the rare-earth mineral orthite.{{cite journal

|doi = 10.1007/BF01516564

|title = Austrium, ein neues metallisches Element

|year = 1886

|last1 = Linnemann |first1 = Eduard |author-link=Eduard Linnemann

|journal = Monatshefte für Chemie

|volume = 7

|issue = 1

|page = 121

|s2cid = 97322406

|url = https://zenodo.org/record/2036780}} It was later confirmed that these lines were due to the recently discovered gallium.

|data-sort-value="Baskerville, Charles"| Charles Baskerville

| See Carolinium

|data-sort-value="Koblič, Odolen" | Odolen Koblic

|data-sort-value="Baskerville, Charles"| Charles Baskerville

| With Berzelium, erroneously identified as a mixture of three elements, with thorium, during work at the University of North Carolina.{{cite journal

|doi=10.1021/ja02036a004

|title=On the Existence of a new Element associated with Thorium

|year=1901

|last=Baskerville |first=Charles

|journal=J. Am. Chem. Soc.

|volume=23 |issue=10

|pages=761–764

|url=https://zenodo.org/record/1428906

}}

|data-sort-value="Young, Charles Augustus"| Charles Augustus Young
and William Harkness

| Hypothesised from a 530.3 nm green emission line in the solar coronal spectrum. Later, around 1902, renamed as Newtonium. In the 1930s recognised as highly ionized iron, rather than a new element.

|data-sort-value="Prout, William" | H. B. Law, Ohio State University

|

|data-sort-value="De Cepare, Rajendralal" | Rajendralal De Cepare

|

|data-sort-value="Kern, Serge"| Serge Kern

| {{cite journal

| doi = 10.1080/14786447708639315 | title = On a new metal, davyum| first = Serge | last = Kern

| journal = Philos. Mag.

|series=Series 5 | volume = 4 | year = 1877

| pages = 158–159 | issue = 23

| url = https://zenodo.org/record/1431129}}

|data-sort-value="Delafontaine, Marc"| Marc Delafontaine

| Thought to have been isolated from the mineral samarskite in 1878.{{Cite journal

|title=Sur le décepium, métal nouveau de la samarskite

|first=Marc |last=Delafontaine

|journal=Journal de pharmacie et de chimie

|volume=28

|year=1878

|url=http://gallica.bnf.fr/ark:/12148/bpt6k78100m.image.r=Decipium.f548.langEN

|page=540

}}

|data-sort-value="Kobell, von, Wolfgang Franz"| Wolfgang Franz von Kobell

| See Pelopium

| data-sort-value="Mosander, Carl" | Carl Mosander

|

|data-sort-value="Hulubei, Horia" | Horia Hulubei, Yvette Cauchois

|

|

|

|data-sort-value="Rolla, Luigi" | Luigi Rolla and Lorenzo Fernandes

|

|data-sort-value="Lawrence Berkeley National Laboratory" | Lawrence Berkeley National Laboratory

|

|data-sort-value=""| Gerhard Krüss
and F. W. Schmidt

|data-sort-value="Minder, Walter"| Walter Minder

|data-sort-value="Fermi, Enrico"| Enrico Fermi

|

|data-sort-value="Hopkins, Smith" | Smith Hopkins and Len Yntema, University of Illinois at Urbana–Champaign

|

|data-sort-value="Hermann, R"| R. Hermann

| See Pelopium

|data-sort-value="Barrière, Prosper" | Prosper Barrière

|data-sort-value="Noddack, Walter" | Walter Noddack, Otto Berg, Ida Noddack

|

|data-sort-value="Hulubei, Horia" | Horia Hulubei, Yvette Cauchois

|

| |

| See Victorium

|data-sort-value="Scheele, Carl Wilhelm" | Carl Wilhelm Scheele

|

|data-sort-value="Berthollet, Claude Louis" | Claude Louis Berthollet

|

|data-sort-value="Huggins, William" | William Huggins

|data-sort-value="Antropoff, Andreas" | Andreas von Antropoff

|

| |

| See Coronium

|data-sort-value="Ninov, Victor | Victor Ninov

| Studies proved inconsistencies in the data shown from Victor Ninov

|data-sort-value="Ogawa, Masataka" | Masataka Ogawa

| {{cite journal

|doi=10.1016/j.sab.2003.12.027

|title=Discovery of a new element 'nipponiumʼ: re-evaluation of pioneering works of Masataka Ogawa and his son Eijiro Ogawa

|year=2004|last=Yoshihara|first=H. K.

|journal=Spectrochimica Acta Part B: Atomic Spectroscopy

|volume=59

|pages=1305–1310

|bibcode=2004AcSpe..59.1305Y|issue=8

}}

|data-sort-value="Rose, Heinrich"| Heinrich Rose

| Confused with mixtures of the difficult to distinguish niobium and tantalum, extracted from the mineral tantalite.{{cite journal

|title = On a new metal, pelopium, contained in the Bavarian tantalite

|first = Heinrich |last = Rose

| journal = Philos. Mag.

|series=Series 3 |volume = 29 |issue = 195

|year = 1846

|pages =409–416

|doi = 10.1080/14786444608645529

|url = https://zenodo.org/record/1431073 }}

|data-sort-value="Osann, Gottfried" | Gottfried Osann

|

|data-sort-value="Collet-Descotils, Hippolyte-Victor" | Hippolyte-Victor Collet-Descotils, Antoine François, comte de Fourcroy, Louis Nicolas Vauquelin, Smithson Tennant

|

|data-sort-value="Prout, William" | William Prout

|

|data-sort-value="Dobroserdov, D. K." | D. K. Dobroserdov

|

|data-sort-value="Cherdyntsev, Victor" | Victor Cherdyntsev

|

|data-sort-value="Hulubei, Horia"| Horia Hulubei

| Thought to have been present in tantalite ore, actually not present, rather than mis-identified.

|data-sort-value="Marinov, Amnon" | Amnon Marinov

|

|data-sort-value="Crookes, William" | William Crookes

|data-sort-value="Allison, Fred" | Fred Allison

|

|data-sort-value="Bahr, J.F."| J. F. Bahr