Chemistry A2 Module 5.3 Foundations

A transition element is a .......

• d block element that has a complete d-sub-shell as a stable ion

• d block element that has an incomplete d-sub-shell as a stable atom

• d block element that has an incomplete d-sub-shell as a stable ion

• d block element that has a complete d-sub-shell as a stable atom

Which element/s are not classed as transition metals?

• Scandium

• Manganese

• Zinc

• Titanium

What sub-shell has the lower energy?

• 3d

• 4s

Which element/s do NOT completely fill the 4s sub-shell first?

• Scandium

• Chromium

• Copper

• Zinc

What is the oxidation state of manganese in KMnO₄?

What is the oxidation state of chromium in K₂Cr₂O₇?

• +12

• +5

• +6

• -6

In the complex ion [Cu(H₂O)₆]²⁺, the coordination number is......

What is the charge of the transition metal in the complex [Ti(H₂O)₆]³⁺ ?

• -3

• +3

• 0

• +6

What shape do chloride complexes form?

• Square planar

• Tetrahedral

• Octahedral

What shape does the complex Cis-platin form?

• Tetrahedral

• Square planar

• Octahedral