Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 4RQ: What evidence led to the conclusion that cathode rays had a negative charge?
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Question

Transcribed Image Text:1.
Write the Xnotation for each atomic depiction:
(a)
Z
18e
18p
20n%
(b)
25e
25p*
30n
(c)
47e
47p*
62n
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