Chemistry, 28.05.2020 04:59 gabelawson6996
43. We have a radioactive isotope called RI which has a half-life of 12 million years. A geologist
has used radiometric dating and determined the rock to be approximately 36 million years old
How many half lives have taken place?
(1 point)
Answers: 3
Chemistry, 22.06.2019 22:40
Covalent bonds generally form when the bonded elements have a difference in electronegativity less than 1.5. subtract the electronegativities for the following pairs of elements and predict whether they form a covalent bond. electronegativity difference of c and c: ionic covalent electronegativity difference of mg and cl: ionic covalent
Answers: 1
43. We have a radioactive isotope called RI which has a half-life of 12 million years. A geologist
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