The Periodic Table (2022)

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, typically found along the staircase line on the periodic table.

Front

What are metals?

Back

Elements that are shiny, conduct electricity and heat, and are malleable and ductile.

Front

What is a halogen?

Back

A group of elements in Group 17 of the periodic table, known for being highly reactive nonmetals. Example: Chlorine.

Front

What is an alkali metal?

Back

Elements in Group 1 of the periodic table, known for being highly reactive and having one valence electron. Example: Sodium.

Front

What is the atomic number of an element?

Back

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

Front

What are valence electrons?

Back

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

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 noble gases?

Back

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

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.

Front

What is an electron shell?

Back

A region around the nucleus of an atom where electrons are likely to be found.