I have some unknown metal. How to find out what it is?
Here is a procedure to do this. (For specific heat, m means mass in grams, DT means change in temperature in degrees C, and
This is a link to an interactive periodic table from the Royal Society of Chemistry. It has the accepted density for all elements in
A way would be to try and dissolve a small piece of the metal in different acids.
(1) If the metal reacts with water, you can think in the direction of
(2) If you can dissolve it in diluted acid, it's a non-noble metal like
(3) If you need an oxidising acid like sulfuric or nitric acid, the metal is nobler. Think
(4) If even that doesn't work, you're dealing with the real noble metals like
After dissolving, there are numerous precipitation tests to determine the exact kind of metal.