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aur study bhi krti hoon ab jyada on nhi rhti main smjhe Mr.
The identical size of zirconium and halfnium due to
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Explanation:
lanthanide contraction is due to the poor shielding of nuclear charge by the 4f electrons. Thus, resulting in the decrease in the atomic size. Due to the lanthanide contraction,
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Answer:
btained by heatin
5.6 g of calcium oxide is obtainer
nitrate according to the equation :
2Ca(NO3)2 → 2CaO + 4NO, +
Calculate :
(a) volume of NO2 evolved at STP and
(b) the mass of calcium nitrate heated.
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