Question 9
Periodic TableUse the section of the periodic table above. Which of the letters indicate an alkali metal and a noble gas respectively?

- A.M and E
- B.G and E
- C.R and L
- 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.