BTEC Applied Science – Bonding Practice Questions and Answers
Ion another name for a charged particle (when an atom loses or gains electrons) Ionic Bonding The strong force of attraction between positive metal ion and negative non-metal ion Covalent Bonding The strong force of attraction between positive nuclei and the shared pair of electrons Metallic Bonding The strong force of attraction between positive metal ions and the surrounding sea of free electrons Molecule atoms joined by covalent bonds Free (delocalised) electrons electrons that have been lost from an atom and do not get transferred to another atom, they are free to move throughout the whole structue
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