Question detail
Which of the following correctly describes the process of successive ionisation energies?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atomic structure
Question
- A. Removing multiple electrons from an atom sequentially
- B. Adding electrons to an atom sequentially
- C. Removing protons from an atom
- D. Adding neutrons to an atom
Answer
Removing multiple electrons from an atom sequentially
Explanation
Successive ionisation energies refer to the energies required to remove electrons one after another from an atom. This concept is crucial for understanding how ionisation energy changes as electrons are removed.
Common mistake
Common Mistake in Writing Ionisation Equations
Students often forget to include the correct charge on the ion when writing equations for first and successive ionisation energies.
To fix this, remember that the first ionisation energy equation for an atom X should be written as: X(g) → X⁺(g) + e⁻. For successive ionisation energies, include the charge of the ion formed. For example, the second ionisation energy would be: X⁺(g) → X²⁺(g) + e⁻. Always ensure to indicate the state of the atom and the charge of the ions.
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