What is the other name for group 18th elements?
A. Noble gases
B. Alkali metals
C. Alkali earth metals
D. Halogens
Answer:A
What is the other name for group 18th elements?
A. Noble gases B. Alkali metals C. Alkali earth metals D. Halogens
Explanation: Group 18th elements are named as noble gases as they are very stable due to having the maximum number of valence electrons their outermost shell can hold, hence they rarely react with other elements.