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Which element has the highest number of protons?

a. Calcium
b. Argon
c. Xenon
d. Radon

User Eulan
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2 Answers

5 votes
I thinking the answer is D. Radon
User Abhirup Das
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7 votes

Answer:

d) Radon has the highest number of protons (it has 86 protons)

Step-by-step explanation:

User Cosimo
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