Given below is the electronic configuration of elements A, B, C, D. (AS1)
A. 1s² 2s² 1. Which are the elements coming within the same period?
B. 1s² 2s² 2p6 3s² 2. Which are the elements coming within the same group?
C. 1s² 2s² 2p6 3s² 3p³ 3. Which are the noble gas elements?
D. 1s² 2s² 2p6 4. To which group and period does the element ‘C’ belong?
Answer:A
Given below is the electronic configuration of elements A, B, C, D. (AS1)
A. 1s² 2s² 1. Which are the elements coming within the same period? B. 1s² 2s² 2p6 3s² 2. Which are the elements coming within the same group? C. 1s² 2s² 2p6 3s² 3p³ 3. Which are the noble gas elements? D. 1s² 2s² 2p6 4. To which group and period does the element ‘C’ belong?