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Level 43

Ionic Bonding & Ionic Compounds

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Ionic Bond
a bond that results from electrostatic attraction between oppositely charged ions. The cation is positively charged, while the anion is negatively charged.
valence electron
an electron in the highest occupied energy level of an atom
properties of ionic compounds
crystalline solids, brittle, hard, high melting and boiling points, conduct electricity when they are dissolved in water, good insulators
stable electron configuration
stemming from the octet rule, noble gases have a stable electron configuration because they have all their sub levels filled
metallic bond
a bond formed by the attraction between positively charged metal ions and the electrons around them
ionic compound
a compound composed of positive and negative ions; most commonly between metals and non-metals
octet rule
a concept of chemical bonding theory that is based on the assumption that atoms tend to have either empty valance shells or full valence shells of eight electrons