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irakobra [83]
3 years ago
12

What is the atomic weight of silver?

Chemistry
2 answers:
g100num [7]3 years ago
7 0
<span>the atomic mass of silver is 107.8682u. And the atomic number is 47</span>
-BARSIC- [3]3 years ago
6 0
<span>The atomic weight of silver is 107.8682</span>
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Answer:

\text{C. } _{36}^{85}\text{Kr}

Explanation:

Your nuclear equation is  

_{35}^{85}\text{Br} \longrightarrow \, _{-1}^{0}\text{e} +\, _{x}^{y}\text{X}

The main point to remember in balancing nuclear equations is that

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Then  

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35 = -1 + x, so x = 35 + 1 = 36

The nucleus with atomic number 36 and atomic mass 85 is krypton-85.  

The nuclear equation becomes  

_{35}^{85}\text{Br} \longrightarrow \, _{-1}^{0}\text{e} + \, _{36}^{85}\text{Kr}

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