Grade 12th pass10 grade science
The subshell electronic configuration of A,B,C and D are given below. A - 1s^2 2s^2 2p^6 3s^2 3p^4 B - 1s^2 2s^2 2p^6 3s^2 C - 1s^2 2s^2 2p^6 3s^2 3p^5 D - 1s^2 2s^2 2p^6 3s^1 a. Which of these elements can show +2 oxidation state? b. Which element belongs to 17th group? c. Find the period of elements A what is the basis of this finding? d. Which of these elements can form oxides of basic character?
The subshell electronic configuration of A,B,C and D are given below. A - 1s^2 2s^2 2p^6 3s^2 3p^4 B - 1s^2 2s^2 2p^6 3s^2 C - 1s^2 2s^2 2p^6 3s^2 3p^5 D - 1s^2 2s^2 2p^6 3s^1 a. Which of these elements can show +2 oxidation state? b. Which element belongs to 17th group? c. Find the period of elements A what is the basis of this finding? d. Which of these elements can form oxides of basic character?
