write the postulates of Bohr's model of hydrogen atom?
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Bohr’s Postulates or Bohr’s Model of the Hydrogen Atom!
1. An atom has a number of stable orbits in which an electron can reside without the emission of radiant energy. Each orbit corresponds, to a certain energy level.
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2. An electron may jump spontaneously from one orbit (energy level E1) to the other orbit (energy level E2) (E2 > E1); then the energy change AE in the electron jump is given by Planck’s equation
∆E = E2-E1 = hv
Where h = Planck’s constant.
And v = frequency of light emitted.
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3. The motion of an electron in a circular orbit is restricted in such a manner that its angular momentum is an integral multiple of h/2π, Thus
mvr = nh/2π, where m = mass of the electron
v = velocity of the electron
r = radius of the orbit an
n = an integer called principal quantum number of the electron.
4. A special surface around nucleus which contained orbits of equal energy and radius was called shell. These shells are numbered from inside to outwards as 1, 2, 3, 4 etc. and called K, L, M, N etc., respectively.
1. An atom has a number of stable orbits in which an electron can reside without the emission of radiant energy. Each orbit corresponds, to a certain energy level.
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2. An electron may jump spontaneously from one orbit (energy level E1) to the other orbit (energy level E2) (E2 > E1); then the energy change AE in the electron jump is given by Planck’s equation
∆E = E2-E1 = hv
Where h = Planck’s constant.
And v = frequency of light emitted.
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3. The motion of an electron in a circular orbit is restricted in such a manner that its angular momentum is an integral multiple of h/2π, Thus
mvr = nh/2π, where m = mass of the electron
v = velocity of the electron
r = radius of the orbit an
n = an integer called principal quantum number of the electron.
4. A special surface around nucleus which contained orbits of equal energy and radius was called shell. These shells are numbered from inside to outwards as 1, 2, 3, 4 etc. and called K, L, M, N etc., respectively.
Answered by
13
Bohr’s Postulates or Bohr’s Model of the Hydrogen Atom!
1. An atom has a number of stable orbits in which an electron can reside without the emission of radiant energy. Each orbit corresponds, to a certain energy level.
2. An electron may jump spontaneously from one orbit (energy level E1) to the other orbit (energy level E2) (E2 > E1); then the energy change AE in the electron jump is given by Planck’s equation
∆E = E2-E1 = hv
Where h = Planck’s constant.
And v = frequency of light emitted.
3. The motion of an electron in a circular orbit is restricted in such a manner that its angular momentum is an integral multiple of h/2π, Thus
mvr = nh/2π, where m = mass of the electron
v = velocity of the electron
r = radius of the orbit an
n = an integer called principal quantum number of the electron.
4. A special surface around nucleus which contained orbits of equal energy and radius was called shell. These shells are numbered from inside to outwards as 1, 2, 3, 4 etc. and called K, L, M, N etc., respectively.
1. An atom has a number of stable orbits in which an electron can reside without the emission of radiant energy. Each orbit corresponds, to a certain energy level.
2. An electron may jump spontaneously from one orbit (energy level E1) to the other orbit (energy level E2) (E2 > E1); then the energy change AE in the electron jump is given by Planck’s equation
∆E = E2-E1 = hv
Where h = Planck’s constant.
And v = frequency of light emitted.
3. The motion of an electron in a circular orbit is restricted in such a manner that its angular momentum is an integral multiple of h/2π, Thus
mvr = nh/2π, where m = mass of the electron
v = velocity of the electron
r = radius of the orbit an
n = an integer called principal quantum number of the electron.
4. A special surface around nucleus which contained orbits of equal energy and radius was called shell. These shells are numbered from inside to outwards as 1, 2, 3, 4 etc. and called K, L, M, N etc., respectively.
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