Page 368 - SUBSEC October 2017_Neat

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Items 31 and 32 refer to the following In answering Items 31 and 32, match each
oxidation states. item with one of the graphs above.
Each graph may be used once, more than
once or not at all.

31. Atomic radium
(A)
32. First ionization energy

Items 33 and 34 refer to the following
oxidation states.

(A) +1
(B) +3
(C) +6
(D) +7
(B)
Match each element below with one of the
options above, each of which may be used
more than once, once or not at all

33. P O
4 6

34. Na O
2

(C) 35. Which of the following has a simple
molecular structure?

(A) Sodium oxide
(B) Magnesium chloride
(C) Aluminium chloride
(D) Silicon (IV) oxide

(D)

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