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Na+ ion is isoelectronic with:
(1) Li+
(2) Mg+2
(3) Ca+2
(4) Ba+2
Ans:(b) Mg+2
Dirive an expretion for low of succecive disintigretion
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does sodium sulfate contain both ionic and covalent bonds
state and explain malus law?
what is like and unlike forces
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