ICSE /Class 9
Chemistry MCQ Based On Electrovalent and covalent bonding
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ICSE Class 9 Chemistry Electrovalent and covalent bonding
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Recall the other name for the electrovalent bond.
An Ionic bond is the bond formed by the complete transfer of valence electron to attain stability.
Recall the definition of electrovalent bond.
Recall the concept of polarity of the covalent bonds.
In the formation of the oxygen molecule, each oxygen atom has six electrons in their valence shell. Each atom requires two more electrons to complete their octet.
Think about electrovalent bond.
Electrovalent compounds are soluble in water.
The covalent bonded molecules have low melting and boiling point.
NaCl is an example of Ionic Bond
If the electronegativities of the combining atoms do not differ much then the bond formed between them is likely to be covalent.
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