JAMB - Chemistry (2000 - No. 11)
Which of the following types of bonding does not involve the formation of new substance?
Metallic
covalent
Co-ordinate
Electrovalent
คำอธิบาย
Apart from the fact that there are delocalised ions around the metals, the metallic atoms remain the same, hence no new substance is formed. However, covalent, co-ordinate and electrovalent bonding involves formation of new substances. Option A is the answer