Here we have to compare the Bohr atomic model with electron cloud model.
In the Bohr's atomic model the electrons of an element is assumed to be particle in nature. Which was unable to explain the deBroglie' hypothesis or the uncertainty principle and has certain demerits.
The uncertainty principle reveals the wave nature of the electrons or electron clod model. The Bohr condition of a stable orbits of the electron can nicely be explained by the electron cloud model, the mathematical form of which is λ = nh/mv, where, λ = wavelength, n is the integral number, h = Planck's constant, m = mass of the electron and v = velocity of the electron.
The integral number i.e. n is similar to the mathematical form of Bohr's atomic model, which is mvr = nh/2π. (r = radius of the orbit).
Thus, the electron cloud model is an extension of the Bohr atomic model, which can explain the demerits of the Bohr model. Later it is revealed that the electron have both particle and wave nature. Which is only can explain all the features of the electrons around a nucleus of an element.
Answer:
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Explanation:
An increase in pressure increasing the billing point is an example of a physical property.
- The term "boiling point" describes the temperature at which a liquid, which is being boiled, changes from a liquid to a vapor when its pressure equals that of its environment.
- Physical changes are those that take place when a material's structure is the same both before and after the change.
- When a substance is changed into another chemical substance, this is known as chemical transformation.
- When describing the state of a physical system, a substance's physical qualities are those that can be measured.
- A substance's characteristic that is seen in a chemical reaction is referred to as a chemical property.
As it demonstrates the physical state, the increase in pressure with boiling point is an example of a physical property.
Learn more about boiling point:
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The complete question is:
An increase in pressure increasing the boiling point of a liquid is an example of a —
A physical change
B chemical change
C physical property
D chemical property
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I think the correct answer from the choices listed above is option B. The list which includes three type of chemical reactions would be decomposition, single replacement, and double replacement. These are the most basic reactions in chemistry and are the basis for other types of reactions.
