The Periodic Table

Front

The periodic table organizes elements by ...

Back

their chemical properties.

Front

Columns in the Periodic Table are called

Back

Groups/Families.

Front

Atomic # is the number of ______________ in the nucleus.

Back

Protons.

Front

What is the chemical symbol for Sodium?

Back

Na.

Front

Rows in the Periodic Table are called

Back

Periods.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.

Front

What are metals in the periodic table?

Back

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

Front

What are nonmetals in the periodic table?

Back

Elements that are usually dull, poor conductors, and can be gases or brittle solids.

Front

What is a metalloid?

Back

An element that has properties of both metals and nonmetals.

Front

What does the term 'valence electrons' refer to?

Back

Electrons in the outermost shell of an atom that determine its chemical properties.