Using properties of determinants, prove that
`|[1,1+p,1+p+q],[2,3+2p,4+3p+2q],[3,6+3p,10+6p+3q]|` = 1

The electronic configuration of the elements, 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 Which metal belongs to 17^(th) group?

Find the wrong electronic configurations fromthefollowing. Whatiswrongin these? 1s^2, 2s^2, 2p^6, 3s^2, 3p^6, 3d^9, 4s^2

The electronic configuration of the elements 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 Which of these elements show +2 oxida-tion state?

The electronic configuration of the elements 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 Which is the period number of the elem-ent A? What is the basis of your find-ings?

The electronic configuration of the eleme-nts, A,B,C,D are given below. 1s^2 2s^2 2p^6 3s^2 3p^4 , 1s^2 2s^2 2p^6 3s^2 , 1s^2 2s^2 2p^6 3s^2 3p^5 , 1s^2 2s^2 2p^6 3s^1 Which of these elements can form basic oxides?

The subshell electronic configuration of A is given in two different ways. Find the correct method. i) 1s^2 2s^2 2p^6 3s^2 3p^6 3d^1 ii) 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1

The subshell configuration of P,Q and R are given (Symbol are not real) P - 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 Q - 1s^2 2s^2 2p^6 3s^2 3p^5 R - 1s^2 2s^2 2p^6 3s^2 3p^5 4s^2 3s^1 a) Find the incorrect subshell electronic configuration. b) Which is the most electronegative element? c) Does P and Q can form ionic compoun? Justify your answer.

Find the distance between the points P(1,-3,4) and Q(-4,1,2) .