2.5 Properties Puzzle Flash Cards

Front

Periodic Table

Back

A table showing all known chemical elements arranged by their atomic number.

Front

Atomic Number

Back

The number of protons in the nucleus of an atom. It determines the element's position on the periodic table.

Front

Groups

Back

Columns in the periodic table that contain elements with similar chemical behaviors.

Front

Electronegativity

Back

A measure of an element's ability to attract and hold onto electrons.

Front

Atomic Radius

Back

The size of an atom, usually measured from the nucleus to the outermost electron.

Front

Ionization Energy

Back

The energy required to remove an electron from an atom.

Front

Metals

Back

Elements that are typically hard, shiny, malleable, and good conductors of heat and electricity.

Front

Nonmetals

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Elements that are typically not shiny, brittle when solid, and poor conductors of heat and electricity.

Front

Metalloids

Back

Elements that have properties intermediate between metals and nonmetals, often used in semiconductors.