Metal Info Here’s some links, so just click on it: http://www.sciencekids.co.nz/sciencefacts/metals.html Hardest Metal: Lutetium Softest Metal: Mercury Most Precious: Platinum Least Precious: UKNOWN The 5 Properties of Metal: 1. Malleability 2. Luster 3. Ductility 4. Conductivity 5. Solid Ferrous Metals: Aluminum, copper, lead, zinc, and tin. Ferrous Alloy:Brass, bronze, and duraluminum. Non-Ferrous Metals: Aluminum, copper, lead, zinc, and tin. Non-Ferrous Alloys: Brass, bronze, and duraluminum. Like this:LikeBe the first to like this page.