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CAIE IGCSE Chemistry Metallic to Non-Metallic Trend

CAIE IGCSE Chemistry Metallic to Non-Metallic Trend
Cambridge IGCSE Chemistry 0620 syllabus for exams in 2026, 2027 and 20282026–2028

Practise describing the decrease in metallic character from left to right across a period and using electron or reaction data to classify elements.

How this is tested

  • state that metallic character decreases from left to right across a period
  • locate the strongest metallic character toward the lower left of the Periodic Table
  • use outer-electron or reaction evidence to order elements from metallic to non-metallic

Question 21

[Maximum number: 1]

Which set of elements shows the change from metallic to non-metallic character across a period of the Periodic Table?

A

beryllium → magnesium → calcium

B

fluorine → bromine → iodine

C

oxygen → boron → lithium

D

sodium → silicon → chlorine