Criticize the following statement: "Since an atom's electron cloud is spherical, the effect of the electrons cancels the effect of the nucleus, so a neutral atom can't interact with a charged object." ("Criticize" means to explain why the given statement is inadequate or incorrect, as well as to correct it.)

Short Answer

Expert verified

Electrons do not move inside a circular path.

Step by step solution

01

Significance of Maxwell’s electromagnetism equation

Maxwell’s electromagnetic equation has four equations that are Gauss’ electric fields law, the formula of the magnetic field, Faraday’s magnetic induction law, and Ampere’s current displacement.

02

Criticizing the given statement

Electrons do not move inside a circular path. However, the movement of the electrons in a circular orbit was explained in quantum physics. Also, due to gravity, a negatively charged electron moves around a nucleus having positively charged particles such as protons. Maxwell's electromagnetism equation, while in a classical motion, is described as an electric current, which would create a magnetic field emitted by the electron moving in spherical or circular orbits. However,it would lose its energy and fall on the nucleus in no time. Hence, this has not been observed to occur like this.

As there is electron movement, hence, the movement is not a trajectorial classical movement. However, in quantum physics, it makes sense while considering the probabilities to find the electrons at different angles and distances from the nucleus. Moreover, the probability distributions mainly depend on the quantum numbers, angular momentum, and energy level eventually giving a better approximation.

Thus, Electrons do not move inside a circular path.

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Most popular questions from this chapter

A point charge of 3×109 Cis located at the origin.

(a) What is the magnitude of the electric field at location 0.2,0,0 m?

(b) Next, a short, straight, thin copper wire 3 mmlong is placed along the x axis with its center at location 0.1,0,0 m. What is the approximate change in the magnitude of the electric field at location 0.2,0,0 m?

(c) Does the magnitude of the electric field at location 0.2,0,0 m increase or decrease as a result of placing the copper wire between this location and the point charge?

(d) Does the copper metal block the electric field contributed by the point charge?

Which observation provides evidence that two objects have the same sign charge? (a) The two objects repel each other. (b) The two objects attract each other. (c) The two objects do not interact at all. (d) The strength of the interaction between the two objects depends on distance.

Blocks A and B are identical metal blocks. Initially block A is neutral, and block B has a net charge of5nC.Using insulating handles, the blocks are moved so they touch each other. After touching for a few seconds, the blocks are separated (again using insulating handles). (a) What is the final charge of block A? (b) What happened while the blocks were in contact with each other? (1) Protons moved from block B to block A. (2) Positrons moved from block B to block A. (3) Electrons moved from block A to block B. (4) Both protons and electrons moved. (5) No charged particles moved.

9 Carbon tetrachloride (CCl4) is a liquid whose molecules are symmetrical and so are not permanent dipoles, unlike water molecules. Explain briefly how the effect of an external charge on a beaker of water (H2O) differs from its effect on a beaker of CCl4. (Hint: Consider the behavior of the permanent dipole you made out of U and L tapes.)

Figure 14.69 shows a neutral, solid piece of metal placed near two points charges. Copy this diagram.

(a) On your diagram, show the polarization of the piece of metal.

(b) Then, at location A inside the solid piece of metal, carefully draw and label three vectors: (1) E1, the electric field due to -q1; (2) E2, the electric field due to +q2; (3) E3, the electric field due to all of the charges on the metal.

(c) Explain briefly why you drew the vectors the way you did.

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