Some students who looked at Figures 4 and 5 did not realise that they applied to all metals. Instead, they thought that the
figures only showed a metal from Group 1 of the Periodic Table.
Suggest why they thought this, and describe changes the students
might have made so that the diagrams showed a metal from
Group 2
(5 marks)

answer: you could do some invislibe ink.

explanation: i will tell you how to if u answer my question.

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.

tracks, burrows, eggshells, nests, tooth marks, or gastroliths