CSEC Chemistry · May/June 2018 · Paper 2 · Question 6(a)(ii)

Many important biological processes in plants and animals depend on the specific roles of certain metal ions. Farmer Jones reaped a crop of tomatoes and reported that the yield was far below what was expected. Analysis of the soil revealed that there was a deficiency of magnesium.

State ONE other metal ion which is important to plant health and state the result of its deficiency.