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Northa Northa
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7 years ago
The symbol for a certain isotope of polonium is  . How many neutrons are there in the nucleus of this isotope?
A) 84
B) 130
C) 214
D) 298
E) 314
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Physics

Physics


Edition: 4th
Author:
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longhairlonghair
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7 years ago
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Northa Author
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7 years ago
You make an excellent tutor!
spaghetti
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
Morgan-C
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2 hours ago
Good timing, thanks!
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