The diagram shows a simple model of metallic structure. The metal ions are shown as tiny spheres, packed closely together in a regular pattern.

A model showing how metallic bonds are formed - the first diagram shows the outer electrons in their atoms, and the second diagram shows that the electrons have become delocalised ...

A Russian drone strike on the Chernobyl nuclear site sparks outrage during the Munich Security Conference, prompting Ukraine ...

The 108-meter-high arched steel structure covered the reactor in 2016 to halt nuclear contamination from the 1986 nuclear meltdown near Pripyat in Northern Ukraine, which caused a deadly environmental ...