Metals

Metal atoms form a regular lattice structure.

Related extras

Permanganate ion (MnO₄⁻)

Potassium permanganate is used as a disinfectant.

Nitrate ion (NO₃⁻)

A compound ion, the main source of nitrogen for plants.

Hydrogen-fluoride (HF)

One of the hydrogen halides, a highly aggressive substance - it even attacks glass.

Sulphur (S₈)

An odourless, yellow, solid substance, the 16th most common in the Earth´s crust. One of...

Phosphoric acid (H₃PO₄)

It is also used as a food additive, limescale and rust remover.

How airbags work

A compound called sodium azide is responsible for the operation of airbags.

Silicon

A crystalline substance, an extremely important material in the electronics industry ...

The power of acetone peroxide

Acetone peroxide is a dangerous crystalline organic compound with a consistency like icing sugar.

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