02. STRUCTURE OF ATOM
Structure of Atom

9710 Iso-electronic species is

1 \({F^ - },\,\,{O^{ - 2}}\)
2 \({F^ - },\,\,O\)
3 \({F^ - },\,\,{O^ + }\)
4 \({F^ - },\,\,{O^{ + 2}}\)
Structure of Atom

9711 An element have atomic weight \(40\)  and it’s electronic configuration is \(1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}.\) Then its atomic number and number of neutrons will be

1 \(18\)  and \(22\)
2 \(22\)  and \( 18\)
3 \(26 \) and \(20\)
4 \(40 \) and \(18\)
Structure of Atom

9712 The nucleus of tritium contains

1 \(1\)  proton \(+ 1 \) neutron
2 \(1\)  proton \(+ 3\) neutron
3 \(1\)  proton \(+ 0\)  neutron
4 \(1\)  proton \(+ 2\)  neutron
Structure of Atom

9713 Which one of the following groupings represents a collection of isoelectronic species

1 \(N{a^ + },\,C{a^{2 + }},M{g^{2 + }}\)
2 \({N^{3 - }},\,{F^ - },\,N{a^ + }\)
3 \(Be,\,A{l^{3 + }},\,C{l^ - }\)
4 \(C{a^{2 + }},\,C{s^ + },\,Br\)
Structure of Atom

9710 Iso-electronic species is

1 \({F^ - },\,\,{O^{ - 2}}\)
2 \({F^ - },\,\,O\)
3 \({F^ - },\,\,{O^ + }\)
4 \({F^ - },\,\,{O^{ + 2}}\)
Structure of Atom

9711 An element have atomic weight \(40\)  and it’s electronic configuration is \(1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}.\) Then its atomic number and number of neutrons will be

1 \(18\)  and \(22\)
2 \(22\)  and \( 18\)
3 \(26 \) and \(20\)
4 \(40 \) and \(18\)
Structure of Atom

9712 The nucleus of tritium contains

1 \(1\)  proton \(+ 1 \) neutron
2 \(1\)  proton \(+ 3\) neutron
3 \(1\)  proton \(+ 0\)  neutron
4 \(1\)  proton \(+ 2\)  neutron
Structure of Atom

9713 Which one of the following groupings represents a collection of isoelectronic species

1 \(N{a^ + },\,C{a^{2 + }},M{g^{2 + }}\)
2 \({N^{3 - }},\,{F^ - },\,N{a^ + }\)
3 \(Be,\,A{l^{3 + }},\,C{l^ - }\)
4 \(C{a^{2 + }},\,C{s^ + },\,Br\)
Structure of Atom

9710 Iso-electronic species is

1 \({F^ - },\,\,{O^{ - 2}}\)
2 \({F^ - },\,\,O\)
3 \({F^ - },\,\,{O^ + }\)
4 \({F^ - },\,\,{O^{ + 2}}\)
Structure of Atom

9711 An element have atomic weight \(40\)  and it’s electronic configuration is \(1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}.\) Then its atomic number and number of neutrons will be

1 \(18\)  and \(22\)
2 \(22\)  and \( 18\)
3 \(26 \) and \(20\)
4 \(40 \) and \(18\)
Structure of Atom

9712 The nucleus of tritium contains

1 \(1\)  proton \(+ 1 \) neutron
2 \(1\)  proton \(+ 3\) neutron
3 \(1\)  proton \(+ 0\)  neutron
4 \(1\)  proton \(+ 2\)  neutron
Structure of Atom

9713 Which one of the following groupings represents a collection of isoelectronic species

1 \(N{a^ + },\,C{a^{2 + }},M{g^{2 + }}\)
2 \({N^{3 - }},\,{F^ - },\,N{a^ + }\)
3 \(Be,\,A{l^{3 + }},\,C{l^ - }\)
4 \(C{a^{2 + }},\,C{s^ + },\,Br\)
Structure of Atom

9710 Iso-electronic species is

1 \({F^ - },\,\,{O^{ - 2}}\)
2 \({F^ - },\,\,O\)
3 \({F^ - },\,\,{O^ + }\)
4 \({F^ - },\,\,{O^{ + 2}}\)
Structure of Atom

9711 An element have atomic weight \(40\)  and it’s electronic configuration is \(1{s^2}2{s^2}2{p^6}3{s^2}3{p^6}.\) Then its atomic number and number of neutrons will be

1 \(18\)  and \(22\)
2 \(22\)  and \( 18\)
3 \(26 \) and \(20\)
4 \(40 \) and \(18\)
Structure of Atom

9712 The nucleus of tritium contains

1 \(1\)  proton \(+ 1 \) neutron
2 \(1\)  proton \(+ 3\) neutron
3 \(1\)  proton \(+ 0\)  neutron
4 \(1\)  proton \(+ 2\)  neutron
Structure of Atom

9713 Which one of the following groupings represents a collection of isoelectronic species

1 \(N{a^ + },\,C{a^{2 + }},M{g^{2 + }}\)
2 \({N^{3 - }},\,{F^ - },\,N{a^ + }\)
3 \(Be,\,A{l^{3 + }},\,C{l^ - }\)
4 \(C{a^{2 + }},\,C{s^ + },\,Br\)