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I need help with question 1 please
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I need help with question 1 please

I need help with question 1 please-example-1
User Manlio
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2 Answers

3 votes

Answer:

86

Step-by-step explanation:

To find the answer i added the proton and neuron

User Shaneeka
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4.9k 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. :)

User Jbyrd
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