Successive emission of an a-particle and two B-particles by an atom of a radioactive element results in the formation of its:
isobar
isomer
isotone
isotope
Additional Questions
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Which one of the following compounds has the most acidic nature? |
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Which one of the following bases is not present in DNA ? |
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Bithional is generally added to the soaps as an additive to function as a/an |
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Natural rubber has |
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The pyknometric density of sodium chloride crystal is 2.165x10^3 kg$m^{-3}$ while its X-ray density is 2.178x$10^3 kgm^{-3}$ ?. The fraction of unoccupied sites in sodium chloride crystal is |
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The pH of 0.1 M solution of the following salts increases in the order |
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Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy ? |
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A substance A,B, crystallises in a face centred cubic (fcc) lattice in which atoms A occupy each corner of the cube and atoms B occupy the centres of each face of the cube. Identify the correct composition of the substance $A_xB_y$ |
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Which of the following is a sink for CO? |
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Number of lone pair(s) in $XeOF_4$ is/are |
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