From Wikipedia, the free encyclopedia. This is a list of named alloys grouped alphabetically by base metal. Within these headings, the alloys are also grouped alphabetically. Some of the main alloying elements are optionally listed after the alloy names. 1 Alloys by base metal.
Best Answer: Hi kgwefkgwe. The number of subsets of n elemnets = 2^n. but this also includes a null set, because a null set is a subset of every set. So in our problem = 2^6 -1 = 63 subsets.
A subset is a set contained in another set. It is like you can choose ice cream from the following flavors: {banana, chocolate, vanilla}. You could choose any one flavor {banana}, {chocolate}, or {vanilla}, Or any two flavors: {banana, chocolate}, {banana, vanilla}, or {chocolate, vanilla},