Question

6. Arrange the 2nd period atoms in decreasing order of first ionization energy.
(Li, Be, B, C, N, O, F, Ar)
7. Arrange the 2nd period atoms in increasing order of electron affinity.
(Li, Be, B, C, N, O, F, Ar)
8. Write the condensed electron configuration for the following ion:
(a) Zn2+ _______________
(b) Se2- _____________________
(c) Co2+ _______________
(d) Ti+ ____________________
(e) Mn3+ _______________
(f) Sn2+ ____________________

Answer 1

Answer on Question #56200 - Chemistry - General chemistry

Question:

6. Arrange the 2nd period atoms in decreasing order of first ionization energy.

(Li, Be, B, C, N, O, F, Ar)

7. Arrange the 2nd period atoms in increasing order of electron affinity.

(Li, Be, B, C, N, O, F, Ar)

8. Write the condensed electron configuration for the following ion:

(a) Zn²⁺ _________________________

(b) Se²⁻ _________________________

(c) Co²⁺ _________________________

(d) Ti⁺ _________________________

(e) Mn³⁺ _________________________

(f) Sn²⁺ _________________________

Solution:

6. (Li < Be < B < C < N < O < F < Ar)

7. (Li < Be < B < C < N < O < F < Ar)

8. (a) Zn²⁺ _____ 1s²²s ²²p⁶³s ²³p⁶⁴s⁰³d¹⁰ _______________

(b) Se²⁻ _____________ 1s²²s ²²p⁶³s ²³p⁶⁴s²³d¹⁰⁴p⁶ _____________

(c) Co²⁺ _____________ 1s²²s ²²p⁶³s ²³p⁶³d⁷ ___________

(d) Ti⁺ _____________ 1s²²s ²²p⁶³s ²³p⁶⁴s¹³d² _____________

(e) Mn³⁺ _____________ 1s²²s ²²p⁶³s ²³p⁶⁴s⁰³d⁴ ___________

(f) Sn²⁺ _____________ 1s²²s ²²p⁶³s ²³p⁶⁴s²³d¹⁰⁴p⁶⁵s²⁴d¹⁰ _____________

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