Medium
Which of the following best describes ionic (electrovalent) compounds formed between metals and non-metals?
Explanation
Explanation
Ionic compounds, formed by the transfer of electrons from a metal to a non-metal, have strong electrostatic forces between ions giving them high melting/boiling points; they conduct electricity when molten or dissolved in water because the ions become free to move.
PRO TIP
Re-check your working by substituting the answer back into the original question.