Using the data in the tables and Coulomb's law, calculate the energy change for this reaction (per formula unit of CaS). Ca(g) + S(g) → CaS(g) Ionization energy Atom Mg Ca Electron affinity Atom 0 S Ionic radius Ion Mg²+ Ca²+ 0²- S²- I, (aJ) 1.23 0.980 EA₁ (aJ) -0.234 -0.332 I₂ (aJ) 2.41 1.90 EA₂ (aJ) +1.30 +0.980 Radius (pm) 72 100. 140. 184 A Erxn 0.288 Incorrect

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Chapter7: Atomic Structure And Periodicity
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Using the data in the tables and Coulomb's law, calculate the energy change for this reaction (per formula unit of CaS).
Ca(g) + S(g) → CaS(g)
Ionization energy
Atom
Mg
Ca
Electron affinity
Atom
O
S
Ionic radius
Ion
Mg²+
Ca²+
0²-
S²-
I₁ (aJ)
1.23
0.980
EA₁ (aJ)
-0.234
-0.332
I₂ (aJ)
2.41
1.90
EA₂ (aJ)
+1.30
+0.980
Radius (pm)
72
100.
140.
184
AErxn
0.288
Incorrect
2
Transcribed Image Text:Using the data in the tables and Coulomb's law, calculate the energy change for this reaction (per formula unit of CaS). Ca(g) + S(g) → CaS(g) Ionization energy Atom Mg Ca Electron affinity Atom O S Ionic radius Ion Mg²+ Ca²+ 0²- S²- I₁ (aJ) 1.23 0.980 EA₁ (aJ) -0.234 -0.332 I₂ (aJ) 2.41 1.90 EA₂ (aJ) +1.30 +0.980 Radius (pm) 72 100. 140. 184 AErxn 0.288 Incorrect 2
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