Caesium (or cesium) is the softest metal.
Lutemium
There is no metal by the name 'thompson'.
yes it is
titanium
tungsten
Chromium is the hardest metal; the Mohs hardness of osmium is 7 and the Mohs hardness of chromium is 8,5.
diamond
If you mean literally hard, then metal coins (found in many countries) would be the hardest.
sludge hammer
Tungsten.
Diamond. a very hard material that is the hardest substance ever, or at least discover to be the hardest substance on EARTH THAT IS
Gold is not the hardest metal. It is relatively soft compared to other metals. Metals like titanium, tungsten, and steel are harder than gold.