Front

What is the classification of elements in the periodic table?

Back

Elements are classified as metals, nonmetals, or metalloids.

Front

What is the atomic number of an element?

Back

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

Front

Which element has an atomic number of 8?

Back

Oxygen.

Front

What are metals?

Back

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

Front

What are nonmetals?

Back

Nonmetals are elements that are usually dull, poor conductors of heat and electricity, and brittle.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

What is a group in the periodic table?

Back

A group is a vertical column in the periodic table where elements have similar chemical properties.

Front

What is a period in the periodic table?

Back

A period is a horizontal row in the periodic table that indicates the number of electron shells in the elements.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Tags

NGSS.HS-PS1-1

Front

What is the most abundant type of element on the periodic table?

Back

Most of the elements on the periodic table are classified as metals.