Which of the following does not belong to the family or classification indicated?
1) Ge, transition metal
2) At, halogen
3) Rn, noble gas
4) Na, alkali metal
5) Eu, lanthanides metal
Answer: 1) Ge, transition metal
Which of the following does not belong to the family or classification indicated?
1) Ge, transition metal
2) At, halogen
3) Rn, noble gas
4) Na, alkali metal
5) Eu, lanthanides metal
Answer: 1) Ge, transition metal