Physical Science 16.3 Review

Front

What is true about elements in the same group?

Back

They share some properties.

Front

What does the word 'periodic' in 'periodic table of elements' mean?

Back

It changes based on a set pattern.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom of that element.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their properties and atomic structure.

Front

What are periods in the periodic table?

Back

Horizontal rows that indicate the number of electron shells in the elements.

Front

What are groups in the periodic table?

Back

Vertical columns that group elements with similar chemical properties.

Front

What is a metal?

Back

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

Front

What is a nonmetal?

Back

Elements that are generally poor conductors of heat and electricity and have varied physical properties.

Front

What is a metalloid?

Back

Elements that have properties of both metals and nonmetals.