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kolbaska11 [484]
3 years ago
9

The process of an element breaking down over time, allowing geologists to get the absolute age is called _________.

Chemistry
1 answer:
NNADVOKAT [17]3 years ago
4 0

Answer:

radioactive decay

Explanation:

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Local unit means a county, city, village, or township.

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A. all living things are made of cells

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Which of these is the best explanation for why two negatively charged balloons can repel each other without ever touching ?
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What is the number of moles in beryllium in 6.0 g of Be
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3 years ago
There are eight consitutional isomers with the molecular formula C4H11N.
Dmitriy789 [7]

Answer:

See figure 1

Explanation:

We have to remember that in the isomer structures we have to <u>change the structure</u> but we have to maintain the <u>same formula</u>, in this case C_4H_1_1N.

In the formula, we have 1 nitrogen atom. Therefore we will have as a main functional group the <u>amine group</u>.

In the amines, we have different types of amines. Depending on the number of carbons bonded to the "N" atom. In the <em>primary amines</em>, we have only 1 C-H. In the <em>secondary amines</em>, we have two C-N bonds and in the <em>tertiary amines</em>, we have three C-N bonds.

With this in mind, we can have:

-) <u>Primary amines:</u>

1) n-butyl amine

2) sec-butyl amine including 2 optical isomers

3) isobutyl amine

4) tert-butyl amine

-) <u>Secondary amines:</u>

5) N-methyl n-propyl amine

6) N-methyl isopropyl amine

7) N, N-diethyl amine

-) <u>Tertiary amines:</u>

8) N-ethyl N, N-dimethyl amine

See figure 1

I hope it helps!

8 0
4 years ago
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