Chem_Bonding_Review - Bonding and Naming Compounds Review...

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Bonding and Naming Compounds Review Compound - a substance that has atoms of 2 or more different elements chemically bonded together Bond - forces of attraction between the protons of one atom and the electrons of another atom. Only valence electrons participate in bonding - Bonding between atoms - intramolecular - Represented by ------- = o o = 2 electrons Bond formation - energy is released, high energy to low energy, creates stability - Exothermic - energy is released as a product Breaking bonds - energy is consumed, low energy to high energy - Endothermic - when energy is a consumed Goal of forming bonds: to have a complete outer shell so they are stable like noble gases Electronegativity - used to predict the type of bond formed between two atoms, the higher the EN, the more attraction an atom has for electrons - Ionic bond - 1.7 or more EN Diff - Covalent bond - 1.6 or below EN Diff - Nonpolar covalent molecule with nonpolar bonds - 0-0.3 EN Diff - Nonpolar covalent molecule with polar bonds - .4-1.6 EN Diff - Polar covalent molecule with polar bonds - .4-1.6 EN Diff

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