ICSE /Class 9
Chemistry MCQ Based On Electrovalent and covalent bonding
Our free online Chemistry test quiz for Class 9, ICSE will assist you to improve your Chemistry skills on every concept in a fun interactive way.
ICSE Class 9 Chemistry Electrovalent and covalent bonding
If the electronegativities of the combining atoms do not differ much then the bond formed between them is likely to be covalent.
Carbon cannot gain or donate electrons to complete its nearest noble gas configuration.
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.
Electrovalent compounds are soluble in water.
The covalent bonded molecules have low melting and boiling point.
These are not soluble in water.
Recall the definition of electrovalent bond.
NaCl is an example of Ionic Bond
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.
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