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Are Zinc, Cadmium, and Mercury Transition Metals?
By ridgexmetals.com

Are Zinc, Cadmium, and Mercury Transition Metals?

Are Zinc, Cadmium, and Mercury Transition Metals?

Understanding transition metals is important for students of chemistry. The term “transition metal” refers to a group of elements in the middle of the periodic table which exhibit unique properties. But are zinc, cadmium, and mercury actually transition metals? Here’s what you need to know about why some elements are considered transition metals while others are not.

What Is a Transition Metal?

A transition metal is an element that has partially filled d orbitals in its highest energy level. This means that transition elements have more than one possible oxidation state. One example of this is iron, which can have 3+ or 2+ oxidation states because it has some electrons in its d orbital shells. Other common examples of transition metals include copper, nickel, cobalt, and manganese. These elements all exhibit similar physical and chemical properties due to the presence of their partially filled d orbitals.

Are Zinc, Cadmium, and Mercury Transition Metals?

Zinc and cadmium are both classified as transition metals since they have partially filled d orbitals in their outermost shells. However, mercury does not meet these criteria since it only has one valence electron in its outermost shell (which means it does not have any partially filled d orbitals). Thus mercury is not considered a transition metal despite being located near other transition elements on the periodic table.

Conclusion:

The term “transition metal” refers to a specific group of elements on the periodic table which display unique physical and chemical properties due to their partially-filled d orbital shells. Of the three elements discussed here—zinc, cadmium, and mercury—only zinc and cadmium are true transition metals due to their electron configurations; mercury does not meet these criteria because it only has one valence electron in its outermost shell. Knowing whether or not an element is a transition metal can be an important part of understanding its atomic structure!

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  • 22/01/2023

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