Many transition metals form interstitial compounds. The characteristics of these interstitial compou — d and f Block Elements Chemistry Question

Question

Many transition metals form interstitial compounds. The characteristics of these interstitial compounds are :<br>(I) They have high melting points, higher than those of pure metals<br>(II) They are very hard<br>(III) They retain metallic conductivity<br>(IV) They are chemically more reactive than the pure metals