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A. 234 B. 92 C.90 D. 238
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2 votes
A. 234
B. 92
C.90
D. 238

A. 234 B. 92 C.90 D. 238-example-1
User Forpas
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1 Answer

2 votes

Answer:

90

Step-by-step explanation:

proton number is 90 which is also its atomic number

User TXK
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