The covalent radius (a measure of how large individual atoms are) shows different trends if you are moving across a period or down a group. A comparison of the relative covalent radii of atoms is ...

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 room ...

Jessica Gibson is a content update editor and writer for Investopedia. She has over 10 years of experience in digital publishing and three years of experience covering financial topics like insurance, ...