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How many protons are in Cesium-135 (135/55Cs)? A. 35 B. 55 C. 80 D.195
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How many protons are in Cesium-135 (135/55Cs)?
A. 35
B. 55
C. 80
D.195

User Syed Usama Ahmad
by
7.8k points

2 Answers

3 votes

Answer:

55

Explanation:

User Vkovic
by
8.8k points
5 votes
Cesium is the 55th element in the Periodic Table. An element's atomic number will always equal the amount of protons it has, regardless of the isotope.

Because Cesium is the 55th element, this means that Cesium will have 55 protons.
User Morgan Cheng
by
8.6k points
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