It is the principle strengthening element in carbon steels and low-alloy steels. Atomic number 6, atomic weight 12.01115. Manganese (Mn): Manganese is a brittle, metallic element that exists in ...

An curved arrow pointing right. You definitely shouldn't mess around with mercury, but if you want a safe, similar, tactile experience, a metal called Gallium is widely available online.

Plants often use organic compounds to defend themselves from herbivory, but they also use metallic elements from the soil for this purpose. Aa Aa Aa Plants and herbivores are locked in an ...

Rare earth elements are 17 chemically similar metallic elements with unique magnetic and luminescent properties. These properties make them indispensable in various high-tech applications ...

IN NATURE of Jan. 23, 1926 (vol. 117, p. 117), I gave a description of a method of determining Hardness, in which a cone of the material to be tested was pressed against a hard surface (sapphire ...