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I need help with question 1 please

I need help with question 1 please-example-1
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User Manlio
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8.4k points

2 Answers

3 votes

Answer:

86

Step-by-step explanation:

To find the answer i added the proton and neuron

answered
User Shaneeka
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8.2k points
7 votes

Answer:86

Explanation: to find atomic mass you take the number of protons and the number of neutrons. therefore you take the 40 protons and the 46 neutrons to find the mass. :)

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User Jbyrd
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8.1k points

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