Where did 2 Atoms Of 1 Element With Different Electron Count appear in the Game?

It appeared on Spa Time Group 803 Puzzle 2

2 Atoms Of 1 Element With Different Electron Count

CodyCross 2 Atoms Of 1 Element With Different Electron Count Solution

This question is part of CodyCross Spa Time > Group 803 > Puzzle 2.
Answers of 2 Atoms Of 1 Element With Different Electron Count might change from time to time on each game update.

2 Atoms Of 1 Element With Different Electron Count

Isotope

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