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Firdavs [7]
3 years ago
11

Which elements did you include in your question?

Chemistry
1 answer:
SIZIF [17.4K]3 years ago
3 0

Answer:

It should be all of them

Explanation:

It’s because it was in your question you wrote out

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If a radioisotope has a half-life of 4 years, how much remains of a starting amount of 40 grams after 16 years have passed?
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only 2.5 grams will be present after 16 years have passed

5 0
3 years ago
NEED QUICK ANSWERS ( science)
nata0808 [166]

Answer:

Explanation:

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6 0
2 years ago
PLEASE HELP
Arlecino [84]

Answer:

the answer is c

Explanation:

7 0
3 years ago
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tester [92]

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4- radioactive isotopes

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3 0
2 years ago
Which of the following explains this observation?
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