Question

If the mass of electron is doubled, the speed of electron revolving around Li2+ nucleus will

Answer 1

Answer:

The mass of an electron is the same as that of a proton. Hence, when the mass of an electron is doubled, its speed will be doubled.

Explanation:

The mass of an electron is the same as that of a proton. Hence, when the mass of an electron is doubled, its speed will be doubled.

The speed of an electron revolves around the nucleus in a circular orbit. When the radius of this orbit doubles, the speed doubles as well because it takes less time to complete one revolution.

The mass of the electron is not a variable that affects the speed of an electron revolving around the nucleus. The speed of an electron revolving around a nucleus is proportional to its kinetic energy, which is determined by its temperature.

The mass of the electron has no effect on its velocity. The velocity of an electron is proportional to the kinetic energy it possesses, and this quantity in turn depends on temperature.

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Answer 2

Answer:

The mass of electron is doubled, the speed of electron revolving around $Li^{2+}$ nucleus will remain same.

Explanation:

As per the data given in the question

We have to calculate

If the mass of electron is doubled, the speed of electron revolving around $Li^{2+}$ nucleus will-.

As per the questions

It is given that

The mass of electron is doubled, the speed of electron revolving around $Li^{2+}$

As we know that the velocity of an electron revolve around the nucleus is $n^{th}$ orbit is given as:

$V_{n}=$$\frac{2\pi Ke^{2}z }{nh}$

where as Z= atomic number

n= orbit

e= charge on an electron

h=plank's constant

So according to the formula of velocity, there is no relation between mass and velocity of an electron moving around the nucleus.

So, even If the mass of electron is doubled, the speed of electron revolving around $Li^{2+}$ nucleus will remain the same.

Hence,the mass of electron is doubled, the speed of electron revolving around $Li^{2+}$ nucleus will remain same.

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