Chapter 4: The Periodic Table Flashcard

Front

What are the horizontal rows in the periodic table called?

Back

Periods

Front

What are the vertical columns in the periodic table called?

Back

Groups

Front

What elements are found in Group 1 of the periodic table?

Back

Alkali metals

Front

What elements are found in Group 18 of the periodic table?

Back

Noble gases

Front

What elements are found in the middle block of the periodic table?

Back

Transition metals

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, found along the zig-zag line on the periodic table.

Front

What are halogens?

Back

Elements in Group 17 of the periodic table, known for being highly reactive nonmetals.

Front

What are noble gases?

Back

Elements in Group 18 of the periodic table, known for their lack of reactivity due to having a full valence shell.