Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
JEE Main & Advanced
Chemistry
Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
Question Bank
Extended or long form of periodic table
question_answer
Which one of the following combination represents a metallic element [EAMCET 1979]
A)2, 8, 7
B)2, 8, 8
C)2, 8, 4
D)2, 8, 2
Correct Answer:
D
Solution :
2,8,2. \[\because \] it would donate \[{{e}^{-}}\] more easily.