Fig. 1.1 displays part of the Periodic Table. Answer the questions below using only the symbols of the elements shown in Fig. 1.1. A symbol may be used once, more than once, or not at all.
(a)[1]
Give the symbol for the element that is used as a lubricant.
(b)[1]
Give the symbol for the element that forms an ion present in every dilute acid.
(c)[1]
Give the symbol of the element that is a metal which does not react with steam.
(d)[1]
Give the symbol of the Period 3 element that forms an ion with a charge of 1- when it reacts.
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “C” …