Transition Element_Physical Properties

Transition Elements

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Multiple Select

Which of the following transition elements is not silvery in colour ?

• Zinc

• Copper

• Vanadium

• Chromium

• Scandium

Multiple Select

The special properties of transition elements are :-

• Have variation oxidation state.

• Form coloured ions/compounds

• Form complex ions

• Act as catalysts

• High melting points

Multiple Select

Which of the following is/are not transition elements?

• Vanadium

• Zinc

• Iron

• Cobalt

• Scandium

Multiple Choice

Transition element is defined as ....

• an element that forms at least a stable

  simple ion with incomplete or partially filled d-orbitals.

• an element that can form a stable

  simple ion with incomplete or partially filled d-orbitals.

• a stable

  simple ion with incomplete or partially filled d-orbitals.

• an element that can form at least a stable

  simple ion with few valence electrons filled in d-orbitals.

• an element or a stable

  simple ion with incomplete or partially filled d-orbitals.

Multiple Choice

How does the variation of atomic size for the first row of transition element? (from left to right)

• increases

• decreases

• increases gradually

• decreases gradually

• no difference

Multiple Choice

Which of the statements best explain the variation in their atomic size?

• The

  electrons are added to the inner 3d orbital

• Effective nuclear charge increases

• The added electron shields the outer electrons from the nucleus

• Nuclear charge increases