Theelectronicconfiguration of elementwhen justaboveth-Turito

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Chemistry-

The electronic configuration of element when just above the element with atomic number 43 the same periodic group is:

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1s² 2s²2p⁶3s²3p⁶3d⁵4s²
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s¹
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹ 4p⁶
1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶

Answer:The correct answer is: 1s² 2s²2p⁶3s²3p⁶3d⁵4s²

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What is the electronic configuration of an element in its first excited state which is isoelectronic withO_²

chemistry-General

General

chemistry-

4s²is the configuration of the outermost orbital of an element. Its atomic umber would be:

chemistry-General

General

chemistry-

A transition metal ‘X’ has a configuration [Ar] 3d⁵its+3oxidationstate.Itsatomic number is-

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General

chemistry-

Electronic configuration has violated:

chemistry-General

General

chemistry-

₃₆Kr has the electron configuration (₁₈Ar) 4s²3d¹⁰4p⁶.The39thelectronwillgo into which one of the following sub-levels:

chemistry-General

General

chemistry-

The atom A,B,C have the configuration A→[Z(90)+n(146)],B→[Z(92)+n(146)] C→[Z(90)+n(148)] so that:
a)A and C-Isotones
b)A and C-Isotopes
c)A and C-Isobars
d)B and C-Isobars
e)B and C–Isobars The wrong statement’s are:

chemistry-General

General

chemistry-

No. of all sub shells of n+ι=7 is -

chemistry-General

General

chemistry-

Select isoelectronic set:
a) Na+, H₃O⁺,NH₄⁺
b)CO-23 ,NO₃,HCO₃
c)P-3 ,HCl,C₂H₆,PH₃
d)N-3 ,O ,F

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General

chemistry-

Choose the false statement about deuterium :

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General

chemistry-

The ratio of spectific charge of a proton and are α-particle is:

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General

chemistry-

The electronic configuration of adi positive metal ion M²⁺is 2,8,14and its ionic weigth is 58a.m.u.Thenumberofneutrons in its nucleus would be:

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General

chemistry-

Which of the following statement concerning the two isotopes ₁₃Al²⁷ and ₁₄Si²⁷ are not incorrect

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The electronic configuration of element when just above the element with atomic number 43 the same periodic group is:

1s2 2s22p63s23p63d54s2 1s2 2s2 2p6 3s2 3p6 3d5 4s1 1s2 2s2 2p6 3s2 3p6 3d10 4s1 4p6 1s22s22p63s23p63d104s24p6

Answer:The correct answer is: 1s2 2s22p63s23p63d54s2

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What is the electronic configuration of an element in its first excited state which is isoelectronic withO2

What is the electronic configuration of an element in its first excited state which is isoelectronic withO2

4s2 is the configuration of the outermost orbital of an element. Its atomic umber would be:

4s2 is the configuration of the outermost orbital of an element. Its atomic umber would be:

A transition metal ‘X’ has a configuration [Ar] 3d5 its+3oxidationstate.Itsatomic number is-

A transition metal ‘X’ has a configuration [Ar] 3d5 its+3oxidationstate.Itsatomic number is-

Electronic configuration has violated:

Electronic configuration has violated:

36Kr has the electron configuration (18Ar) 4s2 3d10 4p6.The39thelectronwillgo into which one of the following sub-levels:

36Kr has the electron configuration (18Ar) 4s2 3d10 4p6.The39thelectronwillgo into which one of the following sub-levels:

The atom A,B,C have the configuration A→[Z(90)+n(146)],B→[Z(92)+n(146)] C→[Z(90)+n(148)] so that:a)A and C-Isotonesb)A and C-Isotopesc)A and C-Isobarsd)B and C-Isobarse)B and C–Isobars The wrong statement’s are:

The atom A,B,C have the configuration A→[Z(90)+n(146)],B→[Z(92)+n(146)] C→[Z(90)+n(148)] so that:a)A and C-Isotonesb)A and C-Isotopesc)A and C-Isobarsd)B and C-Isobarse)B and C–Isobars The wrong statement’s are:

No. of all sub shells of n+ι=7 is -

No. of all sub shells of n+ι=7 is -

Select isoelectronic set:a) Na+, H3O+,NH4+b)CO-23 ,NO3,HCO3c)P-3 ,HCl,C2H6,PH3d)N-3 ,O ,F

Select isoelectronic set:a) Na+, H3O+,NH4+b)CO-23 ,NO3,HCO3c)P-3 ,HCl,C2H6,PH3d)N-3 ,O ,F

Choose the false statement about deuterium :

Choose the false statement about deuterium :

The ratio of spectific charge of a proton and are α-particle is:

The ratio of spectific charge of a proton and are α-particle is:

The electronic configuration of adi positive metal ion M2+ is 2,8,14and its ionic weigth is 58a.m.u.Thenumberofneutrons in its nucleus would be:

The electronic configuration of adi positive metal ion M2+ is 2,8,14and its ionic weigth is 58a.m.u.Thenumberofneutrons in its nucleus would be:

Which of the following statement concerning the two isotopes 13Al27 and 14Si27 are not incorrect

Which of the following statement concerning the two isotopes 13Al27 and 14Si27 are not incorrect

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1s² 2s²2p⁶3s²3p⁶3d⁵4s²
1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁵ 4s¹
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹ 4p⁶
1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶

Answer:The correct answer is: 1s² 2s²2p⁶3s²3p⁶3d⁵4s²

What is the electronic configuration of an element in its first excited state which is isoelectronic withO_²

What is the electronic configuration of an element in its first excited state which is isoelectronic withO_²

4s²is the configuration of the outermost orbital of an element. Its atomic umber would be:

4s²is the configuration of the outermost orbital of an element. Its atomic umber would be:

A transition metal ‘X’ has a configuration [Ar] 3d⁵its+3oxidationstate.Itsatomic number is-

A transition metal ‘X’ has a configuration [Ar] 3d⁵its+3oxidationstate.Itsatomic number is-

₃₆Kr has the electron configuration (₁₈Ar) 4s²3d¹⁰4p⁶.The39thelectronwillgo into which one of the following sub-levels:

₃₆Kr has the electron configuration (₁₈Ar) 4s²3d¹⁰4p⁶.The39thelectronwillgo into which one of the following sub-levels:

The atom A,B,C have the configuration A→[Z(90)+n(146)],B→[Z(92)+n(146)] C→[Z(90)+n(148)] so that:
a)A and C-Isotones
b)A and C-Isotopes
c)A and C-Isobars
d)B and C-Isobars
e)B and C–Isobars The wrong statement’s are:

The atom A,B,C have the configuration A→[Z(90)+n(146)],B→[Z(92)+n(146)] C→[Z(90)+n(148)] so that:
a)A and C-Isotones
b)A and C-Isotopes
c)A and C-Isobars
d)B and C-Isobars
e)B and C–Isobars The wrong statement’s are:

Select isoelectronic set:
a) Na+, H₃O⁺,NH₄⁺
b)CO-23 ,NO₃,HCO₃
c)P-3 ,HCl,C₂H₆,PH₃
d)N-3 ,O ,F

Select isoelectronic set:
a) Na+, H₃O⁺,NH₄⁺
b)CO-23 ,NO₃,HCO₃
c)P-3 ,HCl,C₂H₆,PH₃
d)N-3 ,O ,F

The electronic configuration of adi positive metal ion M²⁺is 2,8,14and its ionic weigth is 58a.m.u.Thenumberofneutrons in its nucleus would be:

The electronic configuration of adi positive metal ion M²⁺is 2,8,14and its ionic weigth is 58a.m.u.Thenumberofneutrons in its nucleus would be:

Which of the following statement concerning the two isotopes ₁₃Al²⁷ and ₁₄Si²⁷ are not incorrect

Which of the following statement concerning the two isotopes ₁₃Al²⁷ and ₁₄Si²⁷ are not incorrect