asked 201k views
2 votes
How many protons are in Cesium-135 (135/55Cs)?
A. 35
B. 55
C. 80
D.195

2 Answers

3 votes

Answer:

55

Explanation:

answered
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.
answered
User Morgan Cheng
by
8.6k points

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