Unit 14 · Atomic Structure and Chemical BondCovalent Bond
Words of This Topic
- Valence shell: the outermost shell of an atom
- Octet state: the stable state with 8 electrons in the valence shell
- Duplet state: the stable state with 2 electrons in the K shell, reached by hydrogen
- Shared pair: two electrons used jointly by two atoms
- Covalent bond: a bond made by sharing a pair of electrons
- Covalent compound: a compound held together by covalent bonds
- Nonmetal: an element such as hydrogen, carbon, nitrogen, oxygen or chlorine