Elements for Kids

Transition Metals

The transition metals are a group of elements in the periodic table. They make up the largest section of the periodic table located at the center of the table including columns 3 through 12.

What elements are transition metals?

There are a number of elements that are classified as transition metals. They occupy columns 3 through 12 of the periodic table and include such metals as titanium, copper, nickel, silver, platinum, and gold.

Sometimes included in the transition metal group are the lanthanides and actinides. They are called the "inner transition metals."

Electron Shells

The transition elements are unique in that they can have an incomplete inner subshell allowing valence electrons in a shell other than the outer shell. Other elements only have valence electrons in their outer shell. This allows transition metals to form several different oxidation states.

What are the similar properties of transition metals?

Transition metals share many similar properties including:

They can form many compounds with different oxidation states.
They can form compounds with different colors.
They are metals and conduct electricity.
They have high melting and boiling points.
They have relatively high densities.
They are paramagnetic.

Interesting Facts about Transition Metals

The transition metal group is called the "d-block" of the periodic table. There are 35 elements located in the d-block.
Sometimes the elements of column twelve of the periodic table (zinc, cadmium, mercury, copernicium) are not included as part of the transition metal group.
Iron, cobalt, and nickel are the only three elements that produce a magnetic field.
Chemists often use something called a "d electron count" instead of valence electrons to describe transition elements.
Because of the their unique qualities, transition metals are often used in industry as catalysts for various reactions.

More on the Elements and the Periodic Table

Elements
Periodic Table

Alkali Metals
Lithium
Sodium
Potassium

Alkaline Earth Metals
Beryllium
Magnesium
Calcium
Radium

Transition Metals
Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Silver
Platinum
Gold
Mercury

Post-transition Metals
Aluminum
Gallium
Tin
Lead

Metalloids
Boron
Silicon
Germanium
Arsenic

Nonmetals
Hydrogen
Carbon
Nitrogen
Oxygen
Phosphorus
Sulfur

Halogens
Fluorine
Chlorine
Iodine

Noble Gases
Helium
Neon
Argon

Lanthanides and Actinides
Uranium
Plutonium

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Naming Compounds
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