Lesson
Lesson-13.1.2- understand how to use dot-and-cross diagrams to represent covalent bonds in: ??? diatomic molecules, including hydrogen, oxygen, nitrogen, halogens and hydrogen halides.
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Lesson-13.1.1- know that a covalent bond is formed between atoms by the sharing of a pair of electrons. understand covalent bonds in terms of electrostatic attractions.PreviousLesson-13.1.3- understand how to use dot-and-cross diagrams to represent covalent bonds in: ??? inorganic molecules including water, ammonia and carbon dioxide ??? organic molecules containing up to two carbon atoms, including methane, ethane, ethene and those containing halogen atoms.Next