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GalinKa [24]
3 years ago
9

Which of the following describes a neutral atom of oxygen? (1 point)6 protons, 6 neutrons, 6 electrons 6 protons, 6 neutrons, 8

electrons 8 protons, 8 neutrons, 10 electrons 8 protons, 8neutrons, 8 electrons
Chemistry
2 answers:
Burka [1]3 years ago
8 0

Answer : The correct option is, 8 protons, 8 neutrons, 8 electrons

Explanation :

Neutral atom means the atom contains same number of electrons and protons and there is no charge on atom.

The given neutral atom is, oxygen

The atomic number of oxygen = 8

As we know that the atomic number is equal to the number of electrons and also equal to the number of protons.

Number of electrons = Number of protons = 8

The atomic mass of neutral oxygen atom = 16

Number of neutrons = Atomic mass - Atomic number = 16 - 8 = 8

Number of neutrons = 8

Therefore, the neutral atom of oxygen have 8 protons, 8 neutrons, 8 electrons.

vichka [17]3 years ago
5 0
A neutral oxygen atom contains 6 electrons, 6 protons and 6 neutrons.
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Which power source uses the earth’s internal heat?
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Answer:

Its geothermal energy.

Explanation:

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3 years ago
Draw a structural formula for the alkene you would use to prepare the alcohol shown by hydroboration/oxidation.
Nastasia [14]

Answer:

See explanation

Explanation:

The question is incomplete because the image of the alcohol is missing. However, I will try give you a general picture of the reaction known as hydroboration of alkenes.

This reaction occurs in two steps. In the first step, -BH2 and H add to the same face of the double bond (syn addition).

In the second step, alkaline hydrogen peroxide is added and the alcohol is formed.

Note that the BH2 and H adds to the two atoms of the double bond. The final product of the reaction appears as if water was added to the original alkene following an anti-Markovnikov mechanism.

Steric hindrance is known to play a major role in this reaction as good yield of the anti-Markovnikov like product is obtained with alkenes having one of the carbon atoms of the double bond significantly hindered.

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3 years ago
Which term best describes the rate at which global erosion takes place
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3 years ago
What type of radioactive decay will the isotopes 13B and 188Au most likely undergo?
scoundrel [369]

Answer:

b. Beta emission, beta emission

Explanation:

A factor to consider when deciding whether a particular nuclide will undergo this or that type of radioactive decay is to consider its neutron:proton ratio (N/P).

Now let us look at the N/P ratio of each atom;

For B-13, there are 8 neutrons and five protons N/P ratio = 8/5 = 1.6

For Au-188 there are 109 neutrons and 79 protons N/P ratio = 109/79=1.4

For B-13, the N/P ratio lies beyond the belt of stability hence it undergoes beta emission to decrease its N/P ratio.

For Au-188, its N/P ratio also lies above the belt of stability which is 1:1 hence it also undergoes beta emission in order to attain a lower N/P ratio.

8 0
3 years ago
"Conservation of energy" refers to the fact that _____.
Agata [3.3K]

Answer: Option (b) is the correct answer.

Explanation:

According to the law of conservation of energy, it is known that energy can neither be created nor it can be destroyed.

But energy can be changed from one form to another.

Whereas entropy is the degree of randomness present within the molecules of a substance or object.

For example, gas molecules are able to move rapidly so, they have more entropy as compared to solid and liquid substances.

According to second law of thermodynamics, entropy of the system is always increasing.

Thus, we can conclude that "Conservation of energy" refers to the fact that energy cannot be created or destroyed but can be converted from one form to another.

8 0
3 years ago
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