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ARIHANT PUBLICATION JHARKHAND-VALENCY -EXAM BOOSTER FOR CRACKING EXAM
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- Atomic mass of an element is 24 and it contains K neutrons ,valency of...
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- What is the valency of maganese in
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- An element has the electronic configuration 1s^(2),2s^(2),2p^(6),3s^(2...
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- Nucleus of an atom contains 5 protons and 6 neutrons .The valency of e...
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- Which of the following changes involves a bond forming process ?
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- Which of the following compounds is covalent?
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- The octer rule is not valid for the molecule .
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- The compound which contains both ionic and covalent bonds is :
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- The ion that is iso - electronic with CO is
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- The maximum number of covalent bonds by which the two atoms can be bon...
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