This question concerns two elements in Group 2, Q and R. Three of the statements shown are true for metal Q. The single statement left is true for metal R. Which statement is correct for R?
- AA saturated solution of the hydroxide of this metal has the higher pH value.
- BThis metal has a carbonate that is used in agriculture to reduce the acidity of soil.
- CThis metal has the greater atomic radius.
- DThis metal reacts more quickly with cold water.