vintageandre
17.12.2020 •
Chemistry
What is the relationship between Oxygen-16, Oxygen-17, and Oxygen-18?
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Ответ:
They all contain 8 protons but, the number of neutrons increase by 1.
Explanation:
Ответ:
National fire protection Association
Explanation:
the nfpa is a global self funded nonprofit orgnazation establised in 1896 devoted to eliminating death injury protery loss and ecomomic loss due to fire and electrical hazards