Two or more forms of a chemical element having different
physical properties but rising to identical chemical
compounds are called
1 Allotropes
2 Isotopes
3 Isomers
4 Isotones
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how longs & what conditions will a matter, say for example U, after an atomic explosion and was converted completely into energy will again condensed back into a matter named U'
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When was the atomic energy regulatory board ( aerb ) constituted?
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