8
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Chemistry, 02.01.2021 14:00, sheram2010
How many protons are in an element with an atomic number of 8 anda mass number of 18?
3
8
10
18
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Do you know the correct answer?
How many protons are in an element with an atomic number of 8 anda mass number of 18?
3
8
8
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