To how many significant figures would you need to express the mass of an thorium-228 atom in amu to notice the change in mass that occurs when it gains an electron? Express your answer to the nearest integer. ?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Question:**
To how many significant figures would you need to express the mass of a thorium-228 atom in amu to notice the change in mass that occurs when it gains an electron?

Express your answer to the nearest integer.

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Transcribed Image Text:**Question:** To how many significant figures would you need to express the mass of a thorium-228 atom in amu to notice the change in mass that occurs when it gains an electron? Express your answer to the nearest integer. **Answer Box:** The image includes an answer box, which allows for numerical input to be entered directly for evaluation. **Toolbar Options:** - The toolbar contains the following icons: - A clipboard icon for pasting content. - A button with "A Σ Φ" for symbol insertion. - A refresh icon likely for resetting the answer box. - A keyboard icon to open an on-screen keyboard. - A question mark for help or additional information. This setup allows students to input their answers in a structured way, especially when entering scientific or mathematical expressions.
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