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AQA GCSE Combined Science Trilogy · 8464
Identify the three primary types of strong chemical bonds as ionic, covalent, and metallic bonds.
Describe ionic bonding as the interaction between oppositely charged ions.
Describe covalent bonding as a process where the interactive particles are atoms that actively share pairs of electrons.
Describe metallic bonding as an interaction where the active particles are atoms that share vast seas of delocalised electrons.
Understand that ionic bonding predominantly occurs in compounds formed from metals combining chemically with non-metals.
Understand that covalent bonding is primarily observed in most non-metallic elements and within compounds strictly composed of non-metals.
Understand that metallic bonding occurs exclusively within pure metallic elements and engineered alloys.
Explain the fundamental mechanisms of chemical bonding explicitly in terms of resulting electrostatic forces and the active transfer or shared distribution of electrons.