Front

A horizontal row of elements in the periodic table

Back

Period

Front

The smallest particle of an element.

Back

Atom

Front

A substance that cannot be broken down into other substances by chemical or physical means.

Back

Element

Front

A chemical bond where electrons are shared between two atoms. In this type of bond no ions are. You will find these bonds when carbon bonds to other elements.

Back

Covalent bond

Front

A chemical bond that has hydrogen covalently bonded to an electronegative atom. It happens when oxygen bonds to hydrogen.

Back

Hydrogen bond

Front

A combination of two or more atoms

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Molecule

Front

A physical model that depicts the atom as a small positively charged nucleus with electrons in orbit at different levels.

Back

Bohr Model

Front

A diagram that shows the bonding between atoms of a molecule and the lone pair of electrons that may exist in the molecule

Back

Electron dot diagram

Front

A chemical bond between two atoms where one or more electrons are passed from one atom to another. When they give up electrons, each of the atoms should have a filled shell. An example is the sodium chloride bond.

Back

Ionic bond

Front

Elements in the same vertical column of the periodic table; also called group

Back

Family