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 Structure of the atom and the periodic table questions and answers

Figure 6 shows part of the periodic table. The letters are not the actual symbols of the elements. Study it and answer the questions that follow.
figatom2620201455.JPG
(a) Write an equation for the reaction between M and K.
(b) Select the element which can form an ion with a charge of +3
(c) An element J has atomic number 15. Indicate with a tick, on the part of the periodic table the position of J.

 (4m 15s)
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