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
Giải thích
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