Outer electronic configuration of a given transition element or ion

1. A.
   ${Fe}^{2 +}$ and ${Co}^{+}$
2. B.
   ${Cr}^{+}$and ${Mn}^{2 +}$
3. C.
   ${Ni}^{2 +}$ and ${Cu}^{+}$
4. D.
   $V^{2 +}$ and ${Cr}^{+}$

Tap an option to check your answer.

1. A.
   $Ru$
2. B.
   $Mn$
3. C.
   Co
4. D.
   $Fe$

Tap an option to check your answer.

1. A.
   $\lbrack Xe\rbrack 4f^{14}5{\text{ }d}^{9}6{\text{ }s}^{1}$
2. B.
   $\lbrack Kr\rbrack 4f^{14}5{\text{ }d}^{10}$
3. C.
   $\lbrack Xe\rbrack 4f^{14}5{\text{ }d}^{10}$
4. D.
   $\lbrack Xe\rbrack 4f^{14}5{\text{ }d}^{8}6{\text{ }s}^{2}$

Tap an option to check your answer.

1. A.
   $\ ^{27}Co,\ ^{28}Ni,\ ^{26}Fe,\ ^{24}Cr$
2. B.
   $\ ^{29}Cu,\ ^{30}Zn,\ ^{48}Cd,\ ^{47}Ag$
3. C.
   $\ ^{46}Pd,\ ^{28}Ni,\ ^{26}Fe,\ ^{24}Cr$
4. D.
   $\ ^{28}Ni,\ ^{24}Cr,\ ^{26}Fe,\ ^{29}Cu$

Tap an option to check your answer.

1. A.
   (A)-I, (B)-II, (C)-III, (D)-IV
2. B.
   (A)-III, (B) - IV, (C) - I, (D)-II
3. C.
   (A)-IV, (B)-III, (C)-I, (D)-II
4. D.
   (A)-II, (B)-I, (C)-IV, (D)-III

Tap an option to check your answer.