The Successive Ionization Energies of a Certain Element Are I₁=

question 59

Multiple Choice

The successive ionization energies of a certain element are I₁= 589.5 kJ/mol, I₂ =1145 kJ/mol, I₃= 4900 kJ/mol, I₄ = 6500 kJ/mol, and I₅ = 8100 kJ/mol. This pattern of ionization energies suggests that the unknown element is

• A) K
• B) Si
• C) As
• D) Ca
• E) S

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