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4 results for ISOTONE

2 Shortz Era entries found. Click any date for context.
See the dictionary definition for ISOTONE.

Fri Mar 27, 201534DOne of a group of atoms having the same number of neutrons but a different number of protonsDavid Kwong
Sun Feb 25, 199679DOne of a related set of atomsD. Niles

2 results for ISOTONE from older pre-Shortz puzzles.

Tue Apr 3, 197915AType of atomMel RosenMaleska
Sun Jan 23, 197797ANuclideTap OsbornWeng