Atoms & Periodic Table

Front

The small, dense positively charged center of an atom

Back

nucleus

Front

The positively charged particle in the nucleus of an atom

Back

proton

Front

The region of an atom, outside the nucleus, where electrons are likely to be found

Back

electron cloud

Front

The negatively charged particles in an atom found outside the nucleus in the electron cloud

Back

electron

Front

Located on the left hand side of the periodic table of elements; these elements are shiny and good conductors

Back

metals

Front

The neutral particle found in the nucleus of an atom

Back

neutron

Front

The table that organizes all known elements based on their properties and atomic number

Back

Periodic Table

Front

Elements that are poor conductors of heat and electricity, typically found on the right side of the periodic table

Back

nonmetals

Front

Elements that have properties of both metals and nonmetals, found along the zig-zag line on the periodic table

Back

metalloids

Front

The number of protons in the nucleus of an atom, which determines the element's identity

Back

atomic number