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A sample of neon is found to consist of ...

A sample of neon is found to consist of `""_(10)^(20)Ne, ""_(10)^(21)Ne and ""_(10)^(22)Ne` in the percentage 90.92, 0.26 and 8.82 respectively. Find the average atomic mass of neon.

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To find the average atomic mass of neon given its isotopes and their respective abundances, we can follow these steps: ### Step 1: Identify the isotopes and their atomic masses The isotopes of neon and their atomic masses are: - Neon-20 (Ne-20) with atomic mass = 20 - Neon-21 (Ne-21) with atomic mass = 21 - Neon-22 (Ne-22) with atomic mass = 22 ...
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ICSE-STRUCTURE OF ATOM-NCERT Textbook Exercises
  1. A sample of neon is found to consist of ""(10)^(20)Ne, ""(10)^(21)Ne a...

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  2. calculate the number of electrons which will together weigh one gram. ...

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  3. calculate the total number of electrons present in one mole of methane...

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  4. how many neutrons and protons are there in the following nuclei ? ....

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  5. write the complete symbol for the atom with the given atomic number (Z...

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  6. Yellow ligth emitted from a sodium lamp has a wavelength (lamda) of 5...

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  7. find energy of each of the photons which (i) correspond to light of ...

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  8. calculate the wavelength frequency and wavenumber of a light wave whos...

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  9. what is the number of photons of light with a wavelength of 4000 pm th...

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  10. A photon of wavelength 4xx 10^(-7) m strikes on metal surface. The wo...

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  11. Electromagnetic radiation of wavelength 242 nm is just sufficient to i...

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  12. A 25 watt bulb emits monochromatic yellow light of wavelength of 0.57m...

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  13. electrons are emitted with zero velocity from a metal surface when it ...

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  14. what is the wavelength of light emitted when the electron in a hydroge...

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  15. how much energy is required to ionise a H atom if the electron occupie...

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  16. what is the maximum number of emission lines when the exectied electro...

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  17. the energy associated with the first orbit in the hydrogen atom is -2....

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  18. calculate the wavenumber for the longest wavelength transition in the ...

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  19. what is the energy in joules, required to shift the electron of the hy...

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  20. The electron energy in hydrogen atom is given by E(n)=-(2.18 xx 10^(-1...

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  21. Calculate the wavelength of an electron moving with a velocity of 2.05...

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