Ionic Bonds and Compounds

Covalent Bond
The most common type of chemical bond. Bond that results from the sharing of several (usually 2) electrons between two atoms.
Chemical Bond
Connections between two atoms through electrons.
Molecule
A unit of matter that results when two or more elements are connected through covalent bonds.
Ionic Bond
A bond that results from the transfer of one or more electrons from one element to another. Common form of bonding between metals and non-metals. Metals donate electrons to non-metals who accept.
Ionic Solids
Solid composed of the regular packing of positive and negative ions.
Ion
A charged atom where the number of electrons outside is different from the number of protons inside the nucleus.
Cation
Positively charged ion. Contains more protons in the nucleus than electrons outside the nucleus.
Anion
Negatively charged ion. Contains more electrons outside the nucleus than protons inside the nucleus.
Polyatomic Ion
A charged covalently bonded group of elements. An ion that contains more than one nonmetal element.
Ionization Energy
The amount of energy required to remove the highest energy electron from an isolated neutral atom. Ei
Electron Affinity
The energy change that occurs when an electron is added to an isolated atom in a gaseous state. Eea
The Octet Rule
The tendancy of an element to undergo chemical reactions that leave them with eight outer-shell electrons, achieving the electron configuration of a noble gas.
Reaction of Alkali Metals (Li, Na, K, Rb, Cs) with Halogens
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Reaction of Alkali Metals (Li, Na, K, Rb, Cs) with water
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Reaction of Alkali Metals (Li, Na, K, Rb, Cs) with Ammonia
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Reaction of Alkaline Earth Metals (Be, Mg, Ca, Sr, or Ba) with Halogens
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Reaction of Alkaline Earth Metals (Mg, Ca, Sr, or Ba) with Water
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Reaction of Hydrogen with Halogens
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Reaction of Xenon with Fluorine
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