Question

what properties of silver,gold and platinum make them rare , precious metals​

Answer 1

Explanation:

The thing that makes them rare is that they are shiny and in look they are looking precious and are made of rare materials

Answer 2

It's the same thing with precious metals -- gold,silver,platinum is a very rare element, so it's more valuable than common elements such as iron. ... The other reason gold works so well as a currency is chemical -- gold is one of those metals that do not readily oxidize, so gold coins will maintain a constant weight.