Unit 3 The Electrons (Vocabulary)

Front

Electron

Back

The negative subatomic particle in the electron cloud of an atom

Front

Electromagnetic radiation

Back

A form of energy that exhibits wavelike behavior as it travels through space

Front

Wavelength

Back

A unit of distance for measuring waves

Front

Frequency

Back

The number of waves that pass a given point in a certain time

Front

Emission spectrum

Back

The spectrum of light released from excited atoms of an element

Front

Heisenberg uncertainty principle

Back

It is impossible to determine the position and velocity of an electron or other particle simultaneously

Front

Valence electrons

Back

Electrons in the outermost energy level of the electron cloud

Front

Octet rule

Back

The tendency of atoms to prefer to have 8 valence electrons

Front

Ions

Back

Atoms or molecules that have a charge due to having lost or gained electrons

Front

Lewis structures

Back

A convenient and simple way to represent an element and its valence electrons