Answer:
Potassium (K) = (2,8,8,1)
This is the element that has three(3) filled energy level and one valence electron
<h3>Answer </h3>
After another 5730 years ( three half lives or 17190 years) 17.5 /2 = 8.75mg decays and 8.75g remains left. after three half lives or 17190 years, 8.75 g of C-14 will be
Explanation:
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