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Chemistry, 20.10.2019 11:20 proudmarinemom7186
The atomic symbol mc025-1.jpg represents potassium-40 (k-40), a radioactive isotope that has 19 protons and 21 neutrons. which atomic symbol could represent an isotope that results from the decay of k-40?
a) 40 ar
18
b) 40 k
18
c) 42 ca
20
d) 42 k
20
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The atomic symbol mc025-1.jpg represents potassium-40 (k-40), a radioactive isotope that has 19 prot...
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