The transition elements

Question 1 of 10

Which is a transition element?

Question 2 of 10

A typical property of transition elements is that they

Question 3 of 10

Iron can form Fe²⁺ and Fe³⁺ ions. This shows that transition elements have

Question 4 of 10

Transition metals have

Question 5 of 10

The Contact process uses which catalyst?

Question 6 of 10

Transition metals often form

Question 7 of 10

Which transition-metal compound is the catalyst in the Contact process for sulphuric acid?

Question 8 of 10

Copper(II) compounds are typically

Question 9 of 10

The electron configuration of Fe²⁺ (Fe, Z = 26) is

Question 10 of 10

Transition metal ions are coloured because of