IB Chemistry HL 2.1.1 Ion Formation Questions
Use exam questions to predict electron gain or loss, deduce ion charge and configuration, and construct neutral ionic formulae.
- Syllabus
- First assessment 2025
- Course
- Chemistry HL
- Level
- HL
Exam points
- Predict whether a metal atom loses electrons or a non-metal atom gains electrons to reach a stable outer configuration, stating the number transferred.
- Deduce an ion charge and electron configuration from the element configuration or from the ions in an ionic species.
- Balance cation and anion charges to write the neutral formula of an ionic compound with correct subscripts.
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IB Chemistry HL 2.1.1 Ion Formation Questions question 1
[Maximum number: 1]
How does a lithium atom form the most stable ion?
A
The atom gains a proton to form a positive ion.
B
The atom loses a proton to form a negative ion.
C
The atom loses an electron to form a positive ion.
D
The atom gains an electron to form a negative ion.
C
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