An atom with 19 protons and 18 neutrons is a(n)
A. Isotope of potassium(K)
B. Standard atom o...
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)
Answers: 3
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