| As knowledge of nuclear physics increased this term was needed to describe an atom of the same element with a different atomic weight |
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| Carbon-14, e.g. |
Wall Street Journal |
26 Mar 2024 |
| One of two or more atoms with the same atomic number that contain different numbers of neutrons (7) |
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| One of 2 or more chemical elements with a different atomic weight (7) |
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| I like this drink which may be radioactive |
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| One of two or more atoms with the same atomic number but with different numbers of neutrons |
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| Alcoholic's emphatic admission in elementary form? |
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| Uranium-235, for one |
Thomas Joseph |
30 Dec 2023 |
| Alcoholic's emphatic admission in elementary form? (7) |
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| Carbon, vis-a-vis nitrogen | Springfield ballplayer on "The Simpsons" | Elemental cousin |
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| Elemental variant |
Universal |
16 Oct 2023 |
| Elemental form |
Newsday |
23 Jul 2023 |
| Elemental form |
Newsday |
16 Jul 2023 |
| Uranium-235, for one |
Thomas Joseph |
17 May 2023 |
| Particular type of lead possibly draining power from supply opposite |
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| Alternative form of an element |
Universal |
16 Jan 2022 |
| Form of an element |
The Times Concise |
13 Aug 2021 |
| Uranium-235, for one |
Thomas Joseph |
14 Jul 2021 |
| U-235, for one |
Thomas Joseph |
09 Jul 2021 |
| Carbon-14, for one |
Wall Street Journal |
17 May 2021 |
| I really put the sauce away in elementary form |
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| Alternative form of an element |
Newsday |
17 Mar 2021 |
| Elemental form |
Newsday |
27 Feb 2021 |
| Carbon-14, e.g |
Wall Street Journal |
23 Jan 2021 |
| Elemental variant |
LA Times Daily |
01 Mar 2020 |
| Elemental variant |
The Washington Post |
01 Mar 2020 |
| Atom with same number but different mass is nothing to an endless drinker |
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| I really put the sauce away in elementary form |
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| U-235, e.g |
Thomas Joseph |
31 Aug 2019 |
| Variant in a laboratory |
The Washington Post Sunday |
25 Aug 2019 |
| Uranium-235, for one |
Thomas Joseph |
20 May 2019 |
| Elemental variant |
Wall Street Journal |
11 May 2019 |
| Carbon-14, e.g |
USA Today |
14 Mar 2019 |
| Carbon-14, e.g. |
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| Elemental variant |
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| Something at the atomic level breathes oxygen over shark |
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| One form of an element |
The Times Concise |
22 Aug 2018 |
| Element the same, only different one old poet's misrepresented |
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| Uranium-238, e.g |
The Washington Post |
20 Apr 2018 |
| Uranium-238, e.g |
LA Times Daily |
20 Apr 2018 |
| . I therefore drink something in elemental form |
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| Krypton-86, for one |
Premier Sunday |
25 Feb 2018 |
| Differing form of an element |
The Times Concise |
16 Feb 2018 |
| Uranium-238, e.g. |
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| Elemental variant |
|
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| Deuterium, e.g |
Wall Street Journal |
23 Dec 2017 |
| Type of atom is getting round with highest energy |
The Sun Two Speed |
13 Dec 2017 |
| Form of an atom |
The Sun Two Speed |
13 Dec 2017 |
| Distinct form of an element |
The Times Concise |
07 Jun 2017 |
| Elemental variant |
Universal |
30 Dec 2016 |
| Carbon 13, for one |
The Washington Post |
31 Jul 2016 |
| Elemental form is uppermost in poet's heart . |
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| Protium, for one |
Wall Street Journal |
09 Apr 2016 |
| Priest interrupts awfully otiose element of one mass |
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| Heavy hydrogen, e.g |
Universal |
24 Feb 2016 |
| Type of atom: is oxygen best to get energy? |
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| Elemental variant |
|
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| Carbon-13 or cobalt-60 |
USA Today |
27 Dec 2015 |
| Animated Springfield minor leaguer |
Universal |
07 Nov 2015 |
| Imogen's confession of alcoholism, in one of several forms |
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| Tritium, to hydrogen |
Newsday |
04 Oct 2015 |
| One's nothing to drink that might be radioactive |
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| Poise to analyse physicist's concern |
Irish Times Crosaire |
20 Jun 2015 |
| Carbon-13 or cobalt-60 |
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| Animated Springfield minor leaguer |
|
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| Tritium, to hydrogen |
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| Then beat bad grade after one term in chemistry |
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| Deuterium, vis-à-vis hydrogen |
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| Elemental form |
|
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| Carbon-14, e.g. |
|
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| Uranium 235, for one |
|
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| Deuterium, for one |
|
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| Elemental variant |
|
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| Carbon-14, e.g. |
|
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| "The Simpsons" minor leaguer |
|
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| Fictional Springfield minor leaguer |
|
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| Uranium 235, e.g. |
|
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| Tritium, to hydrogen |
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| Related element form |
|
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| Tritium, to hydrogen |
|
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| Carbon-13 or cobalt-60 |
|
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| Chemistry subject |
|
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| U-238, for one |
|
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| Chemistry subject |
|
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| Chemical relative |
|
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| Chemist's study |
|
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| Carbon-14, e.g. |
|
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| Member of a fictional Springfield baseball team |
|
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| Carbon 14 or uranium 235 |
|
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| Carbon-13, e.g. |
|
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| Helium-3, e.g. |
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| Physicist's atom |
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| Dating material? |
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| Springfield minor leaguer |
|
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| One of an element's closely related atoms |
|
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| Chemistry subject |
|
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| Uranium-238, e.g. |
|
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| Carbon-14, for one |
|
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| Atomic relative |
|
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| Dating material |
|
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| Elemental form |
|
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| Carbon 12, e.g. |
|
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| Uranium 238, e.g. |
|
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| Carbon 13, e.g. |
|
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| Chemical cousin |
|
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| Carbon 13, e.g. |
|
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| Uranium 238, e.g. |
|
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| Element variant |
|
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| Particular form of an element |
|
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| Heavy hydrogen, e.g. |
|
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| Chemical relative |
|
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| Chemist's study |
|
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| Carbon 13 or cobalt 60 |
|
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| Literally, "same place" |
|
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| Elemental variant |
|
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| Carbon-14, e.g. |
|
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| Uranium 238, e.g. |
|
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| Uranium 238, e.g. |
|
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| Carbon 12 or cobalt 60 |
|
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| Carbon 13 or cobalt 60 |
|
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| Element form |
|
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| Molecular relative |
|
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| I-131, for one |
|
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| U-235 or C-14, e.g. |
|
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| Heavy hydrogen, e.g. |
|
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| U-235 is one |
|
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| U 235, e.g. |
|
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| Nuclide |
|
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| Cyclotron item |
|
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| Carbon 14, for one |
|
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| U 235 is one |
|
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| Ionium, e.g. |
|
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| Atomic element |
|
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| Atomic form |
|
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| Nuclide. |
|
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| Varied form of element |
|
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| Atomist's concern. |
|
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| Form of a chemical element. |
|
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| U 235 or U 238, for example. |
|
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| Atomic age word. |
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| Word in atomic terminology. |
|
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| Uranium 238, for instance. |
|
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| Element much like another. |
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| Word used in Oak Ridge. |
|
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| One of several elements, having the same atomic number. |
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| Chemical phenomenon. |
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| Oak Ridge output. |
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| Useful form of a chemical element. |
|
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| Element resembling another in atomic structure. |
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| Element resembling another in atomic number but not weight. |
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| Element having same atomic number as another. |
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| Chemistry subject |
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