JAMB Chemistry 1995 Question 9

Question 9

Periodic Table

Use the section of the periodic table above. 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. L has atomic number 2 (helium), a noble gas.