Elements and Compounds Flashcards

Front

Atom

Back

The smallest unit of a chemical element.

Front

Atomic Number

Back

The number of protons in the nucleus of an atom.

Front

Proton

Back

A particle found in an atom which carries a positive electric charge.

Front

Neutron

Back

A particle found in an atom that has no electric charge.

Front

Electron

Back

A particle in an atom with a negative electric charge.

Front

Compound

Back

A substance formed when two or more elements are bonded together.

Front

Molecule

Back

The smallest particle of a compound that has the compounds properties.

Front

Ion

Back

An atom with a different number of protons than electrons.

Front

Nucleus

Back

The dense center of an atom.

Front

Gold Foil Experiment

Back

An experiment conducted by Ernest Rutherford that led to the discovery of the atomic nucleus.