Seudónimo
Seudónimo
24-05-2017
Chemistry
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Can anyone check my chemistry answers?
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JavierCollante
JavierCollante
24-05-2017
I check all of them. most of them correct but one
in question 6, the answer is the third choice. remember to find the neutrons, you take the atomic mass minus the atomic number. 38 - 18= 20
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