Covalent compounds have bonds where electrons are shared between atoms. Due to the sharing of electrons, they exhibit characteristic physical properties that include lower melting points and electrical conductivity compared to ionic compounds.
Answer: Option (b) is the correct answer.
Explanation:
Compressibility means the ability to reduce or compress in size.
In solids, molecules are held together by strong force of attraction. Therefore, it requires very high force or energy to break the bond between the molecules of a solid.
As a result, compressibility of solids is low.
Whereas a hot ionized gas which contains same number of both positive or negatively charged electrons is known as plasma. Being a gas, molecules of plasma are not held by strong force of attractions.
Hence, plasma is compressible as compared to solids.
Thus, we can conclude that out of the given options, the statement compressibility of solids is lower than the compressibility of plasmas and gases is true.
The answer is dipole-dipole and dipole-induced dipole forces.
The dipole-induced dipole is a kind of interaction induced by a polar molecule by disturbing the arrangement of electrons.
- In methyl cyclohexanone molecules, there is a permanent dipole moment due to dipole moment vectors not canceling.
- There is induction of dipole by disturbing the electronic arrangement.
- A permanent dipole moment is created in this interaction.
- Dipole-dipole interactions are defined as the forces that is formed from the close linkage of permanent or induced dipoles.
- These forces are called Van der Waal forces.
- Proteins contain a large number of these interactions, which vary considerably in strength.
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Answer:
before the substance was a gas it was a liquid.
Explanation:
Answer:
There is no air, wind, liquid water or life on the moons surface.
Explanation:
