2. Atoms and the Periodic Table
Isotopes
1:29 minutes
Problem 81b
Textbook Question
Textbook QuestionConsider the following atoms in which X represents the chemical symbol of the element: (4.4, 4.5) ¹⁶₈X ¹⁶₉X ¹⁸₁₀X ¹⁷₈X ¹⁸₈X c. Which atoms have the same mass number?
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