NOUN: "any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties" Crossword Clue

We have the 7-letter answer for NOUN: "any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties" crossword clue, last seen in the Missing Letter Crossword December 1, 2025 puzzle. Let us help you solve the crossword clue that has you stumped so you can finish the puzzle.

NOUN: "any of two or more species of atoms of a chemical element with the same atomic number and nearly identical chemical behavior but with differing atomic mass or mass number and different physical properties" Crossword Answer

↓17.

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Helpful Hints

(noun)
1. one of two or more atoms with the same atomic number but with different numbers of neutrons

Hint 2: Clue Definition

IDENTICAL (adjective)
1. being the exact same one; not any other:
2. exactly alike; incapable of being perceived as different

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