neutrons, electrons, and energy levels in atoms and their location in the periodic table. Students will also explore covalent and ionic bonding.

Substances that consist of covalent molecules are usually gases or liquids at room temperature. Ionic bonds are formed between a metal and non-metal, for example, sodium chloride. Outer electrons ...

Ionic compounds - AQA An ionic compound is ... Small molecules - AQA A covalent bond is a shared pair of electrons. Covalent bonding forms molecules. Substances with small molecules have low ...

The electrons in the covalent bond are shared equally between the two ... We were amazed to discover that his scale did not match either theoretical or experimental bond energies for significantly ...