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Select the correct statement...

Select the correct statement

A

Orthosilicate ion `(SiO_4^(4-))` and Perchlorate ion `(CIO_4^- )` are isoelectronic species

B

According to Rutherford formula, volume of a nucleus is directly proportional to mass number of nucleus

C

Isotopes have different number of nucleons in them

D

All atoms of Ar ,K and Ca are isobars of each other

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RESONANCE-DPP-QUESTIONS
  1. Identify the correct statement(s)

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  2. In which of the following conditions the de Broglie wavelength of part...

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  3. Select the correct statement

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  4. What change in molar energy (in J) would be associated with an atomic ...

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  5. For a wave frequency is 10 Hz and wavelength is 2.5 m. How much distan...

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  6. A certain dye absorbs 4000 Å and fluoresces at 8000 Å. These being wav...

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  7. In Rutherford formula, maximum number of a-particles deflecting is for...

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  8. If the volume of nucleus of an atom V is related to its mass number A ...

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  9. Photon of which light has minimum energy

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  10. Visible spectrum contains light of following colours ''Violet - Indigo...

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  11. Assume that 10^(-17)J of light energy is needed by the interior of the...

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  12. The work function for a metal is 4eV. To emit a photoelectron of zero ...

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  13. The energies E1 and E2 of two radiations are 25 eV and 50 e V respecti...

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  14. Which of the following statements is correct

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  15. The energy required to remove an electron from metal X is E = 3.31 xx ...

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  16. For which of the following species, Bohr theory doesn't apply

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  17. If radius of third stationary orbit (in Bohr's atom) is R. Then radius...

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  18. The radius of the first orbit of H-atom is r. then the radius of the f...

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  19. The number of Br^- Ions in 2.1 g CaBr2 is [NA=6xx10^23]

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  20. If the mass of 10^22 molecules of a hydrocarbon is about 1.2 g, then t...

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