Question

In the Bohr model of the hydrogen atom, an electron moves in a circular path around a proton. The speed of the electron is approximately 2.17 106 m/s.

(a) Find the force acting on the electron as it revolves in a circular orbit of radius 0.532 ✕ 10−10 m. magnitude

(b) Find the centripetal acceleration of the electron. magnitude

Answer #1

In the Bohr model, the electron moves in a circular orbit around
the nucleus with a radius of 5 . 29 × 10 - 11 m . What is the
magnitude of the electric force between the electron and the
proton?

Consider a hydrogen atom: a single electron that orbit the
proton, the electron circular orbit has radius Bohr ground state
.529 angstrom.
a. Calculate the magnitude of the Coulomb's force between the
proton and electron
b. Write this force in vector form.
c. Calculate the velocity and acceleration of the electron.
d. Calculate the electron's electric potential energy in
electron volt.

In a Hydrogen atom an electron rotates around a stationary
proton in a circular orbit with an approximate radius of r
=0.053nm. (a) Find the magnitude of the electrostatic force of
attraction, Fe between the electron and the proton. (b) Find the
magnitude of the gravitational force of attraction Fg , between the
electron and the proton, and find the ratio, Fe /Fg . me = 9.11 x
10-31kg, e = 1.602 x 10-19C mp = 1.67 x 10-27kg k...

In Bohr's model for the Hydrogen atom, the electron when it is at the third level rotates in a circular orbit around the proton, at a radius of 4.7 x 10^-10 m. The proton has a positive electric charge of 1.6 x10^-19 C, while the electron has the same charge with an opposite sign. The electrical force between the two particles is responsible for the centripetal force that keeps the electron in its orbit. The mass of the proton is...

The hydrogen atom consists of one electron orbiting one proton
in a circular orbit.
(a) Using Coulomb's Law and concepts of
centripetal acceleration/force, show that the radius
r of the orbit is given by
where K is the kinetic energy of the electron,
k is the Coulomb's Law constant, +e is the charge
of the proton, and -e is the charge of the electron.
(b) Calculate r when the
kinetic energy of the electron is 13.6 eV.
(c) What percentage...

what is angular velocity of a single electron orbiting
a single proton in a hydrogen atom. The orbit is circular and the
proton is not moving. centripetal force is supplied by the coulomb
force.
radius = 0.530×10^-10m

in the bhor model of the hydrogen atom the electron is assumed
to orbit the proton in a circle at an average distance of
5.3x10^-11 m. the centripetal force keeping the electron in orbit
is due to the Coulomb force law. e= 1.6x10^-19C, electron = 9.11 x
10^-31
1. what is the electrons velocity?
2. how long does it take the electron to make one orbit around
the proton?
3. the current produced by the electron orbiting the proton is...

An electron moves in a circular path perpendicular to a magnetic
field of magnitude 0.265 T. If the kinetic energy of the electron
is 4.50 ✕ 10−19 J, find the speed of the electron and
the radius of the circular path.
(a) the speed of the electron
m/s
(b) the radius of the circular path
μm

A Hydrogen atom has one proton in the nucleus and one electron
in the shell. In a classic model of the atom, in a certain state,
this electron is in a circular orbit around the nucleus with an
angular momentum of 9.495e-34 Js.
What is the radius of the orbit?
4.30×10-9m
What is the speed of the electron at this radius?
What is the kinetic energy of the electron at this
radius?
What is the kinetic energy in electron-volts?

Consider the Bohr model of the hydrogen atom for which an
electron in the ground state executes uniform circular motion about
a stationary proton at radius a0. (a) Find an expression
for the kinetic energy of the electron in the ground state. (b)
Find an expression for the potential energy of the electron in the
ground state. (c) Find an expression for the ionization energy of
an electron from the ground state of the hydrogen atom. The
ionization energy is...

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