Infobase

Silver (Ag from the Latin Argentum) is an element of group 11 (according to the outdated classification -

Silver is a beautiful noble metal, which is a good alternative to gold: it is stored for centuries, but is worth

What types of gold are there? In Russia, precious metals presented on store shelves must have

Mica ring Mica is a group of rocks and minerals that have a layered structure

Precious minerals, due to their splendor and radiant shine, have always attracted the eyes of people and become objects of

Uranium Atomic number 92 Appearance of the element Properties of the atom Atomic mass (molar mass)

There are words used in different meanings and situations. They are called polysemantic. There are such terms

Speaking about this unusual gemstone, it should immediately be noted that the word “baroque pearl” is written

The Paris International Exhibition of 1925 introduced the world to advances in science and the decorative arts.

A troy ounce (denoted on the exchange as t oz or ozt) is equal to 31.1034768 grams and