Listen to the full series on BBC Sounds. Ionic compounds have high melting and boiling points, so they are in the solid state at room temperature. See the study guide on the three states of matter ...

Shiseido has developed 4MSK/fluid penetration technology, which enhances the penetration of the J-beauty brand’s brightening ...

A little water helps expose the sodium so it can react with the chlorine gas. The reaction releases a lot of heat as the ionic compound sodium chloride is formed. A sodium and chlorine atom are near ...

Learn more on the properties of ionic compounds in this podcast. Listen to the full series on BBC Sounds. Ionic compounds have high melting and boiling points, so they are in the solid state at ...