Chapter 6 Flashcards
Electron Dot Diagram
A diagram of an atom, ion or molecule in which each dot represents a valence electron.
Ion
An atom or group of atoms that has a postive or negative charge.
Anion
An ion with a negative charge.
Cation
An ion with a positive charge.
Chemical Bond
The force that holds atoms or ions together as a unit.
Ionic Bond
The force that holds cations and anions together.
Chemical Formula
Notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound.
Crystals
Solids whose particles are arranged in a lattice structure.
Covalent Bond
A chemical bond in which two atoms share a pair of valence electrons.
Molecule
A neutral group of atoms that are joined together by one or more covalent bonds.
Polar Covalent Bond
A covalent bond in which electrons are not shared equally.
Polyatomic Ion
A covalently bonded group of atoms that has a positive or negative charge and acts as a unit.
Metallic Bond
The attraction between a metal cation and the shared electrons that surround it.
Alloy
A mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal.
