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Bonds and Valence Electrons

Terms in this set (23)

valence electrons
The electrons that are in the highest energy leval of an atom and they are involved in chemical bonding.
electron dot diagram
A representation of the valence electrons in an atom, using dots.
chemical bond
The force of attraction that holds two atoms together.
ion
An atom or group of atoms that has become electrically charged.
ionic bond
The attraction between oppositely charged ions
chemical formula
Symbols that show the elements in a compound and the ratio of atoms.
subscript
A number in a chemical formula that tells the number of atoms in a molecule or the ratio of elements in a compound.
covalent bond
A chemical bond formed when two aroms share electrons.
single bond
A chemical bond formed when atoms share one pair of electrons.
double bond
A chemical bond formed when atoms share two pairs of electrons.
polar bond
A covalent bond in which electrons are shared unequally.
non-polar bond
A covalent bond in which electrons are shared equally.
malleable
A term used to describe material that can be hammered or rolled into flat sheets.
ductile
a term used to describe a material that can be pulled out into a long wire
Lewis structure
a structural formula in which electrons are represented by dots; dot pairs or dashes between two atomic symbols represent pairs in covalent bonds.
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