Periodic Table Trends

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

Which element has 3 valence electrons?

Back

Element E has 3 valence electrons.

Front

What properties do elements on the left side of the Periodic Table have in common?

Back

They conduct heat and electricity.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals, and they are found along the staircase line on the Periodic Table.

Front

What type of elements touch the zigzag line on the Periodic Table?

Back

Metalloids touch the zigzag line.

Front

In what state of matter are most nonmetals found?

Back

Most nonmetals are found in the gaseous state.

Front

What is the Periodic Table?

Back

The Periodic Table is a tabular arrangement of chemical elements, organized by increasing atomic number and grouped by similar properties.

Front

What are the main groups of elements in the Periodic Table?

Back

The main groups are metals, nonmetals, and metalloids.

Front

What are noble gases?

Back

Noble gases are a group of nonmetals that are colorless, odorless, and inert, found in Group 18 of the Periodic Table.

Front

What is the significance of the zigzag line on the Periodic Table?

Back

The zigzag line separates metals from nonmetals and indicates the location of metalloids.