Chemistry, 16.09.2019 21:40 Shadowhawk681
Which of the following is a radioisotope used to date rock formations older than 50,000 years old?
a) carbon-12
b) uranium-235
c) cobalt-60
d) carbon-14
any is appreciated : )
Answers: 2
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You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount
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Chemistry, 22.06.2019 10:50
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Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
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Which of the following is a radioisotope used to date rock formations older than 50,000 years old? <...
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