Answers by Wiktor Kozlik
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Answers by Wiktor Kozlik

Answers by Wiktor Kozlik
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19.B is the chemical symbol of which element? Boron Boring Balkite Beryllium 20.Zinc (Zn) has an atomic number of 30 and an atomic mass of 65. How many neutrons does a stable atom of Zn have? 30 35 60
answered Apr 25, 2016
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