Periodic Table: Families

Front

What are metals?

Back

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

Front

What are noble gases?

Back

Group of elements in the periodic table that are inert and not reactive, including helium, neon, argon, krypton, xenon, and radon.

Front

What are alkali metals?

Back

The most reactive metals found in Group 1 of the periodic table, including lithium, sodium, and potassium.

Front

How is the Modern Periodic Table arranged?

Back

It is arranged by atomic number, which is the number of protons in an atom's nucleus.

Front

What are alkaline earth metals?

Back

Elements in Group 2 of the periodic table that are reactive but less so than alkali metals, including magnesium and calcium.

Front

What are halogens?

Back

Group 17 elements in the periodic table that are very reactive nonmetals, including fluorine, chlorine, bromine, iodine, and astatine.

Front

What is the significance of atomic number?

Back

It determines the identity of an element and its position in the periodic table.

Front

What properties do alkali metals exhibit?

Back

They are soft, shiny, and very reactive, especially with water.

Front

What distinguishes transition metals from other metals?

Back

Transition metals are found in Groups 3-12 and are characterized by their ability to form variable oxidation states and colored compounds.

Front

What is a metalloid?

Back

Elements that have properties of both metals and nonmetals, such as silicon and germanium.