PPT Slide
- Atoms of different elements can also share electrons to form the molecules of a covalent compound.
- Hydrogen chloride consists of molecules: HCl or HñCl
- Ammonia molecules have one nitrogen atom that forms a covalent bond with each of three hydrogen atoms. NH3
- Most covalent substances consist of molecules.
- A glass of water is a collection of individual water molecules.
- Each water molecule has one oxygen atom connected by covalent bonds to two hydrogen atoms. H 2O
- In contrast, no molecules exist in samples of ionic compounds.
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