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Ne4ueva [31]
2 years ago
6

Which of the following are likely to form a covalent bond?

Chemistry
2 answers:
ohaa [14]2 years ago
6 0

<u>Answer:</u> The correct answer is Option C.

<u>Explanation:</u>

A covalent bond is defined as the bond which is formed when sharing of electrons takes place between the atoms forming a compound. This type of bond is usually formed between two non-metals.

From the given options:

<u>Option A:</u> two gold atoms

Gold atom is a metal and thus, will not form covalent bond.

<u>Option B:</u> two neon atoms

Neon atom is a noble gas and is unreactive atom. Thus, it will not form covalent bond.

<u>Option C:</u> hydrogen and oxygen atoms

Both the atoms are non-metals and thus, will lead to the formation of a covalent bond.

<u>Option D:</u> magnesium and bromine atom

Magnesium atom is a metal and bromine atom is a non-metal. Thus, they will not lead to the formation of covalent bond but will form ionic bond.

Hence, the correct answer is Option C.

Alex17521 [72]2 years ago
5 0
C) hydrogen and oxygen atoms
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Explain a mixture of molecules
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Answer:

A mixture of molecules is a group of molecules in which there are multiple different elements and atoms, that are in either fixed proportions or random. There are heterogeneous and homogenous mixtures.

Explanation:

7 0
2 years ago
Order the terms according to the path followed by oxygen during cellular respiration.​
MArishka [77]

Answer:

Outside air

Nose

Lungs

Bloodstream

Cell

Explanation:

We breathe in oxygen from the outside air in through our nose and it travels to our lungs. Inside our lungs, we have Avioli's that diffuse oxygen into our bloodstream and the bloodstream helps the oxygen travel into our cells.

Hope this helps :)

8 0
3 years ago
How many grams of sodium nitrate (NaNO2) will dissolve in 100g of water at 20°C?​
inn [45]
88g ( so sorry if this isn’t correct )
8 0
2 years ago
During a spectrophotometric analysis of an unknown, you measure your solution's absorbance, and the value is higher than the hig
Reil [10]

Answer:

A) Dilute the unknown so that it will have an absorbance within the standard curve. Once the diluted unknown concentration is determined, the full strength concentration can be calculated if the dilution process is recorded. Beer's law only applies to dilute solutions, so diluting the unknown is better than making new standards.

Explanation:

Beer's law states that <em>absorbance is proportional to the concentrations of the absorbing species</em>. This is verified in the case of diluted solutions (0≤0.01 M) of most substances. <u>As a solution gets more concentrated, solute molecules interact between themselves because of their proximity. </u>When a molecule interacts with another, the change in their electric properties (including absorbance) is probable. That's why <u>the plot of absorbance versus concentration stops being a straight line</u>, and <u>Beer's law is no longer valid.</u>

Therefore, if the absorbance value is higher than the highest standard,  dilutions should be made. Once this concentration is determined, the full strength concentration can be calculated with the inverse of the dilution.

7 0
3 years ago
A force of 100 newtons is applied to a box at an angle of 36º with the horizontal. If the mass of the box is 25 kilograms, what
notka56 [123]

Answer:

a_x=4.944m/s^2

Explanation:

Hello,

Based on the acting force that is applied horizontally, one can propose the following equation based on Newton's laws:

F=ma

Nevertheless, since we've got a angled force, it becomes:

F=macos\theta

In this case, cos\theta accounts for the formed angle, so the horizontal acceleration turns out into:

a_x=\frac{F}{mcos\theta}=\frac{100kg*\frac{m}{s^2} }{25kgcos(36^0)}=4.944m/s^2

Best regads.

5 0
3 years ago
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