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»»The radius of an orbit of hydrogen atom is 0.85 mm .calculate the velocity of electron in this orbit .
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9.11 × 10-28 g is the mass of 1 electron No. of electrons 1 g of mass = = 0.1099 × 1028 = 1.099 × 1027 (ii) Mass of 1 electron = 9.1 × 10-31 kg Mass of 6.023 × 1023 electrons = 6.023 × 1023 × 1.6 ... The value of ionization energy of hydrogen atom is 2.18 10—18 J (n=1) which is greater than that in the 5th orbit ..
9.11 × 10-28 g is the mass of 1 electron No. of electrons 1 g of mass = = 0.1099 × 1028 = 1.099 × 1027 (ii) Mass of 1 electron = 9.1 × 10-31 kg Mass of 6.023 × 1023 electrons = 6.023 × 1023 × 1.6 ... The value of ionization energy of hydrogen atom is 2.18 10—18 J (n=1) which is greater than that in the 5th orbit ..
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