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True [87]
3 years ago
13

4) If a person is riding a bike and want to slow down, they use the brakes. This is an example of which of the following?

Chemistry
1 answer:
Vlad1618 [11]3 years ago
4 0

Answer: C A B

Explanation:

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Atoms of one element are converted to atoms of another element through
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Atoms of one element are converted to atoms of another element through transmutation or nuclear transmutation.
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When the temperature of a gas in a rigid container decreases, the particles of the gas move slower and experience fewer collisio
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Which greenhouse gas is emitted when people burn fossil fuels for energy?
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Question 25———-A, YA are two isotopes of element A.
lakkis [162]

Answer:

Option C. 1

Explanation:

Step 1:

Determination of the Neutron of both isotopes. This is illustrated below.

For isotope y xA:

Mass number = y

Atomic number = x

Neutron =..?

Atomic number = proton number = x

Mass number = Proton + Neutron

y = x + Neutron

Rearrange

Neutron = y – x

For isotope (y + 1) xA:

Mass number = y + 1

Atomic number = x

Neutron =.?

Atomic number = proton number = x

Mass number = Proton + Neutron

y + 1 = x + Neutron

Rearrange

Neutron = y + 1 – x

Step 2:

Determination of the difference between the neutron number of both isotopes. This is illustrated below:

For isotope y xA:

Neutron number = y – x

For isotope (y + 1) xA:

Neutron number = y + 1 – x

Difference in neutron number

=> (y + 1 – x) – (y – x)

=> y + 1 – x – y + x

Rearrange

=> y – y + 1 – x + x

=> 1

Therefore, the difference in the neutron number of both isotopes is 1

6 0
3 years ago
"what is the probability of finding an electron within one bohr radius of the nucleus"
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