MEDIUM
10th ICSE
IMPORTANT
Earn 100

Explain the bonding in methane molecule using electron dot structure.

Important Questions on Chemical Bonding

MEDIUM
10th ICSE
IMPORTANT
Give the characteristic properties of electrovalent compounds. 
HARD
10th ICSE
IMPORTANT
State the type of bond formed, and draw Lewis structure of calcium oxide.
HARD
10th ICSE
IMPORTANT
Explain why electrovalent compounds have a high melting point and boiling point while covalent compounds have low melting and boiling points. 
HARD
10th ICSE
IMPORTANT
Why electrovalent compounds dissolve In water whereas covalent compounds do not.
HARD
10th ICSE
IMPORTANT
Explain why electrovalent compounds are usually hard crystals.
MEDIUM
10th ICSE
IMPORTANT
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
EASY
10th ICSE
IMPORTANT
Name two compounds that are covalent when taken pure but produce ions when dissolved in water. For each compound mentioned above give the formulae of ions formed in aqueous solution.
EASY
10th ICSE
IMPORTANT
What do you understand by a lone pair of electrons?