8.5

Transition elements

10 flashcards to master Transition elements

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Definition Flip

What are the general physical properties of transition elements?

Answer Flip

Transition elements are typically hard, strong, and have high densities and high melting points.

Example: iron is a strong metal used in construction.
Key Concept Flip

What is a key chemical property that is common for transition metals and their compounds?

Answer Flip

They act as catalysts. Vanadium(V) oxide (V₂O₅) is used as a catalyst in the Haber process.

Key Concept Flip

What is the key characteristic about how transition metals form ions?

Answer Flip

They can form ions with different oxidation states.

Example: iron can form Fe²⁺ and Fe³⁺ ions.
Key Concept Flip

What is a common property associated with compounds of transition metals (e.g., salts)?

Answer Flip

Their compounds are often colored. Copper(II) sulfate (CuSO₄) is blue.

Key Concept Flip

Give an example of a transition metal used as a catalyst in the Haber process.

Answer Flip

Iron is used as a catalyst in the Haber process for the production of ammonia.

Definition Flip

Describe the meaning of the term 'catalyst'.

Answer Flip

A catalyst speeds up a chemical reaction without being used up itself.

Example: manganese(IV) oxide catalyses the decomposition of hydrogen peroxide.
Key Concept Flip

How do the melting points of transition metals typically compare to those of Group 1 metals?

Answer Flip

Transition metals generally have much higher melting points than Group 1 metals. Iron's melting point is over 1500°C whereas Sodium's is below 100°C

Key Concept Flip

Give an example of a transition metal used in jewellery and why.

Answer Flip

Gold is used in jewellery due to its inertness (resistance to corrosion) and attractive appearance.

Key Concept Flip

Why are transition metals useful in constructing bridges and buildings?

Answer Flip

Transition metals, like steel (an alloy of iron), are strong and have high tensile strength making them suitable for structural applications.

Key Concept Flip

What type of ions cause color in aqueous solutions?

Answer Flip

Transition metal ions typically form colored aqueous solutions.

Example: copper(II) ions (Cu²⁺) produce a blue solution.

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8.4 Group VIII - Noble gases 9.1 Properties of metals

Key Questions: Transition elements

What are the general physical properties of transition elements?

Transition elements are typically hard, strong, and have high densities and high melting points.

Example: iron is a strong metal used in construction.
Describe the meaning of the term 'catalyst'.

A catalyst speeds up a chemical reaction without being used up itself.

Example: manganese(IV) oxide catalyses the decomposition of hydrogen peroxide.

About Transition elements (8.5)

These 10 flashcards cover everything you need to know about Transition elements for your Cambridge IGCSE Chemistry (0620) exam. Each card is designed based on the official syllabus requirements.

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