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Valence Electrons Metal or Non-metal? Lose or Gain Electrons? ... tricarbon octahydride C 3 H 8 b) diphosphorus tetroxide P 2 O 4 f) nitrogen triiodide NI 3
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Overview Electron configuration. The electrons that determine valence – how an atom reacts chemically – are those with the highest energy.. For a main group element, the valence electrons are defined as those electrons residing in the electronic shell of highest principal quantum number n. Molecular bonds form single bonds, where two atoms only share one pair of electrons. Multiple Molecular Bonds The double bond consists of two pairs of electrons, a triple bond consists of three pairs and quadruple bonds share four pairs of electrons; there are quintuple and sextuple bonds as well. 1. Give away electrons 2. Take electrons 3. Share electrons Recall: Ionic bonding Covalent bonding formula unit Covalent Bonding: Learning to Cooperate Key Terms • Covalent compound • Covalent bond • Diatomic element • Molecule Covalent compound: contains two or more non-metal atoms • Formed by sharing valence electronsto fill outer shell
1. BONDING CAPACITY (VALENCE) The number of bonds an atom can make. For a Cation, the bonding capacity is the number of electrons lost to become stable. For an . Anion, the bonding capacity is the number of electrons gained to fill the outer energy level to eight. Ex. For sodium the bonding capacity is one. For oxygen the bonding capacity is ...
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