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JAMB Chemistry 2019 Question 7

Question 7

Periodic Table

Use the section of the periodic table below to answer this question.
Which of the letters indicate an alkali metal and a noble gas respectively?

Diagram for this question
  1. A.M and E
  2. B.G and E
  3. C.R and L
  4. D.G and L
Show the answer and explanation

Answer: D (G and L)

Explanation

G has atomic number 3 (lithium, an alkali metal in Group 1) and L has atomic number 2 (helium, a noble gas).