Contrast ionic and covalent bonding- video Welcome to BFSU: › Forums › Volume Three › Learning Progression A. Nature of Matter › Lesson A-20. Concepts of Chemistry III: How Atoms Bond › Contrast ionic and covalent bonding- video This topic has 0 replies, 1 voice, and was last updated 4 years, 4 months ago by Bernard Nebel. Viewing 0 reply threads Author Posts July 6, 2019 at 11:56 am #7734 Bernard NebelKeymaster The following video gives the reasoning as to why atoms of particular elements loose, gain, or share electrons. It is an excellent summary and reinforcement of ionic and covalent bonding. Author Posts Viewing 0 reply threads You must be logged in to reply to this topic.