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slamgirl [31]
2 years ago
13

What is described by the VSEPR theory?

Chemistry
1 answer:
Bingel [31]2 years ago
6 0

Answer:

A

Explanation:

Apex

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kifflom [539]
True. Nuclear fusion of hydrogen to form helium occurs naturallyin the sun and other stars. It takes place only at extremely high temperatures.
8 0
3 years ago
The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the deg
yaroslaw [1]

Explanation:

The degree of unsaturation is given as;

Degree of unsaturation = (2C + 2 + N - H - X) / 2

(a) C5H6

Using the formular above;

Degree of unsaturation = [ 2(5) + 2 - 6] / 2

Degree of unsaturation = [ 12 - 6 ] / 2 = 3

(b) C10H6Cl2

Using the formular above;

Degree of unsaturation = [ 2(10) + 2 - 6 -2 ] / 2

Degree of unsaturation = [ 22 - 8 ] / 2 = 7

(c) C4H3NO

Using the formular above;

Degree of unsaturation = [ 2(4) + 2 - 3 -1 ] / 2

Degree of unsaturation = [ 10 - 4 ] / 2 = 3

Note: Oxygen is ignored because its presence has no effect on the degree of unsaturation.

5 0
2 years ago
What is the length of time an organism is expected to live?
Nataly [62]
This is called a life span.
5 0
3 years ago
An atom has 14 protons, 16 neutrons, and 14 electrons. What is its mass number?
Andrews [41]

The answer is 30.

Explanation:

The total number of protons and neutrons in a nucleus is called mass number. So 14 proton plus 16 neutron is = 30 mass number.

6 0
3 years ago
Which of the following pH values represents a strong acid?<br><br> 1<br> 8<br> 13<br> 7
sleet_krkn [62]

Answer:

1

Explanation:

acid is 0-3 lower numbers

6 0
3 years ago
Read 2 more answers
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