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
Not necessarily. The reactivity of a metal does not determine its ease of extraction. Factors such as the abundance in nature, the type of ore it is found in, and the technology available for extraction play a greater role in determining the ease of extraction.