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Questions and Answers
Which of the following characteristics is NOT typical of transition elements?
Which of the following characteristics is NOT typical of transition elements?
- Low densities (correct)
- High melting points
- Presence of partially filled d-sub shells
- High densities
Which transition element has the highest density among the following?
Which transition element has the highest density among the following?
- Tungsten (W) (correct)
- Iron (Fe)
- Copper (Cu)
- Platinum (Pt)
What causes the high melting points in transition elements?
What causes the high melting points in transition elements?
- Ionic bonding
- Low atomic masses
- Presence of filled p-orbitals
- Presence of partially filled d-sub shells (correct)
Which transition element is mentioned as an example with a melting point of 1768 °C?
Which transition element is mentioned as an example with a melting point of 1768 °C?
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What is a significant property that differentiates transition elements from other elements?
What is a significant property that differentiates transition elements from other elements?
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Study Notes
Transition Elements Characteristics
- Transition elements are found in the d-block of the periodic table, specifically in Groups 3 to 12.
- These elements are distinguished by their unique properties which differentiate them from other elements.
High Density
- Transition elements typically have high densities owing to higher atomic masses and tightly packed atomic structures.
- Notable examples include:
- Iron (Fe) with a density of 7.87 g/cm³.
- Tungsten (W) exhibiting a much higher density of 19.3 g/cm³.
High Melting Points
- Transition elements are characterized by high melting points, attributed to strong metallic bonding from partially filled d-sub shells.
- Key examples are:
- Tungsten with an impressive melting point of 3422 °C.
- Platinum (Pt) with a significant melting point of 1768 °C.
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