Atom Vocab Review

Front

Smallest part of an element; consists of a nucleus with electrons.

Back

atom

Front

Subatomic particle in the nucleus with zero charge.

Back

neutron

Front

A substance that cannot be separated or broken down by chemical means.

Back

element

Front

Theorist who discovered electron orbits with a nucleus in the center. 5th theorist.

Back

Bohr

Front

Group of elements with similar chemical properties; vertical columns on the periodic table.

Back

Family

Front

Theorists who discovered electron clouds with a nucleus in the center. Modern atomic model.

Back

H&S

Front

Theorist who stated all atoms of the same element are identical (2nd theorist).

Back

Dalton

Front

Mass of an atom, including protons and neutrons.

Back

Atomic mass

Front

1-2 letter abbreviation for an element.

Back

element symbol

Front

Horizontal row of the periodic table. There are 7.

Back

Period