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Sophie [7]
3 years ago
6

Which of the following compounds is not possible?

Chemistry
1 answer:
neonofarm [45]3 years ago
4 0

Answer:

C

Explanation:

Large chlorine atoms can not fit within the atoms of boron

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Thorium-234 has a half-life of 24.1 days. How many grams of a 150 g sample would you have after 120.5 days?
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Answer:

8.625 grams of a 150 g sample of Thorium-234  would be left after 120.5 days

Explanation:

The nuclear half life represents the time taken for the initial amount of sample  to reduce into half of its mass.

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75 \times \frac{1}{2} =48.2

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In simpler way , we can use the below formula to find the sample left

A=A_{0} \cdot \frac{1}{2^{n}}

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