Chemistry
Chemistry, 27.07.2020 17:01, carrrlareyes

An atom with 19 protons and 18 neutrons is a(n) A. Isotope of potassium(K)
B. Standard atom of argon(Ar)
C. Standard atom of (K)
D. Isotope of argon (Ar)

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An atom with 19 protons and 18 neutrons is a(n) A. Isotope of potassium(K)
B. Standard atom o...

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