
A generic term for metallic elements that are rarely found or very difficult to obtain. They are metals that have a small abundance on the earth or are difficult to extract as pure metals even though they are abundant. Japan call “ki sho kin zoku”.

Description for Iron One of the iron group elements. The second most abundant element on Earth after aluminum. Pure iron is silvery-white with a lustrous sheen, highly ductile and malleable, and exhibits ferromagnetism. It rusts readily in air. Its excellent ductility and malleability, combined with carbon-containing steel forms, make it a widely used basic … Read More

It is said to be derived from a Sanskrit word meaning “shining”. 1. money. In particular, large format gold coins. 2. something of value and value. Japanese says “Oh gon” “Ko gane”, in the past, it was also called “Kugane”. Goldgolden also has other meanings. In the adult world, it is also a common … Read More

the part of a gunlock that strikes the percussion cap when the trigger is pulled. hammer, cock, striker. One of the rifle firing devices. The part that bangs the detonator to ignite the bullet propellant. Japanese says Geki-tetsu.

Explicación del elemento oro con número atómico 79. Tabla periódica: Grupo 11, elementos de transición. Peso atómico: 196,96655 (2). Se conocen isótopos estables con un número másico de 197 (100%) e isótopos radiactivos que van desde 169 hasta 205. El oro es el metal más antiguo utilizado por la humanidad, y se han encontrado instrumentos de oro en ruinas egipcias… Leer más