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secondary 4 | Chemistry
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Jonathan
Jonathan

secondary 4 chevron_right Chemistry chevron_right Singapore

Why is A the answer?

Date Posted: 3 years ago
Views: 242
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PhysChemTutor
Physchemtutor's answer
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J
J
3 years ago
From the looks of it,

X is most likely Carbon (C) or Silicon (C)
Y is most likely to be Oxygen (O) or Sulfur (S)
Z is a halogen (eg. Cl, Br I)