Which formula is a molecular compound? A. NaCl B. CaO C. H2O2 D. MgS

Mathematics

1 answer:

bija089 [108]3 years ago

4 0

Answer: Option (C) is the correct answer.

Explanation:

When atoms which are chemically combining tend to share electrons with each other, that is, forming covalent bonds with each other then the compound formed is known as a molecular compound.

For example, $H_{2}O_{2}$ is a molecular compound.

This is because hydrogen atom has only one electron in its valence shell and an oxygen atom needs two electrons to complete its octet.

Therefore, sharing of electrons take place between the hydrogen and oxygen atom. As a result, it is a molecular compound.

Whereas NaCl, CaO, and MgS compounds are formed due to transfer of electron from one atom to another.

Thus, we can conclude that out of the given options $H_{2}O_{2}$ formula is a molecular compound.

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d1i1m1o1n [39]

Answer:

Yes, there are exactly 2 ways to solve this triangle.

Step-by-step explanation:

Well we know that to find out a trigonometric ratio we are given an angle and a side, and we have to solve for the other side. In this case only 2 of the legs are given, hypotenuse is neither given nor asked. So we have to use the ratio that doesn't have hypotenuse included. Tangent is the only such ration. Now we can use either Tan(51) or Tan(39) to solve for the "x".

These would be the functions to solve for x:

1.) Tan(51) = $\frac{x}{10}$