Which element having following electronic configurations has minimum ionization potential [NCERT 1978; KCET 1991; CBSE PMT 1991; Pb. PET 1999; BHU 2000]

\[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{2}}\]

\[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{6}}\]

\[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{6}},\,3{{s}^{1}}\]

Which element having following electronic configurations has minimum i

1.	Which element having following electronic configurations has minimum ionization potential [NCERT 1978; KCET 1991; CBSE PMT 1991; Pb. PET 1999; BHU 2000]
A.	\[1{{s}^{1}}\]
B.	\[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{6}}\]
C.	\[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{6}},\,3{{s}^{1}}\]
D.	\[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{2}}\]
Answer» D. \[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{2}}\]

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Which element having following electronic configurations has minimum ionization potential [NCERT 1978; KCET 1991; CBSE PMT 1991; Pb. PET 1999; BHU 2000]

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