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Answer in one sentence: Name the element that shows the simplest emission spectrum. - Chemistry

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प्रश्न

Answer in one sentence:

Name the element that shows the simplest emission spectrum.

एक पंक्ति में उत्तर
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उत्तर

The element that shows the simplest emission spectrum is hydrogen.

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Bohr’s Atomic Model
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अध्याय 4: Structure of Atom - Exercises [पृष्ठ ५४]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
अध्याय 4 Structure of Atom
Exercises | Q 5. (B) | पृष्ठ ५४

संबंधित प्रश्न

According to Bohr's second postulate, the angular momentum of the electron is the integral multiple of `h/(2pi)`. The S.I unit of Plank constant h is the same as ______ 


Which of the following series of transitions in the spectrum of hydrogen atom falls in ultraviolet region?


The radius of electron's second stationary orbit in Bohr's atom is R. The radius of the third orbit will be ______


The magnifying power of a telescope is high, if its objective and eyepiece have respectively ____________.


Bohr model is applied to a particle of mass 'm' and charge 'q' is moving in a plane under the influence of a transverse magnetic field 'B. The energy of the charged particle in the nth level will be (h = Planck's constant).


The ratio of the velocity of the electron in the first orbit to that in the second orbit is ____________.


For a certain atom when the system moves from 2E level to E, a photon of wavelength `lambda` is emitted. The wavelength of photon produced during its transition from `(4"E")/3` level to E is ____________.


How many moles of electrons are required for reduction of 9 moles of Cr3+ to Cr?


Taking the Bohr radius as a0= 53 pm, the radius of Li++ ion in its ground state, on the basis of Bohr's model, will be about ______.


The total energy of an electron in an atom in an orbit is -3.4 eV. Its kinetic and potential energies are, respectively ______.


In hydrogen atom, the de Broglie wavelength of an electron in the first Bohr's orbit is ____________.

[Given that Bohr radius, a0 = 52.9 pm]


When an electron in hydrogen atom is excited from its 3rd to 5th stationary orbit, tbe change in angular momentum of electron is (Planck's constant: h = 6.62 x 10-34 Js) ____________.


Angular speed of an electron in the ground state of hydrogen atom is 4 × 1016 rad/s. What is its angular speed in 4th orbit?


Ratio of centripetal acceleration for an electron revolving in 3rd orbit to 5th orbit of hydrogen atom is ______.


An electron of mass 'm' is rotating in first Bohr orbit of radius 'r' in hydrogen atom. The orbital acceleration of the electron in first orbit (h = Planck's constant).


In Bohr model, speed of electron in nth orbit of hydrogen atom is ______. (b = Planck's constant, n = principal quantum number, ∈0 is the permittivity of free space, e = electronic charge)


In Bohr's model of hydrogen atom, which of the following pairs of quantities are quantized?


The relation between magnetic moment of revolving electron 'M' and principle quantum number 'n' is ______.


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The momentum of an electron revolving in nth orbit is given by ______.


The orbital frequency of an electron in the hydrogen atom ______.


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Calculate the energy of the electron in the ground state of the hydrogen atom. Express it in joule and in eV.


Find the momentum of the electron having de Broglie wavelength of 0.5 A.


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