IB Chemistry SL 3.1.1 Organization Questions
Use real exam questions to locate elements, identify blocks and distinguish metals, non-metals and metalloids.
- Syllabus
- First assessment 2025
- Course
- Chemistry SL
- Level
- SL
Exam points
- Identify an element’s s-, p-, d- or f-block from its periodic-table position or electron-configuration evidence.
- Use group and period information to locate an element and classify it as a metal, non-metal or metalloid.
- Compare related elements using periodic organization evidence such as block identity, group membership and stated physical or chemical properties.
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IB Chemistry SL 3.1.1 Organization Questions question 1
[Maximum number: 1]
Lithium and boron are elements in period 2 of the periodic table. Lithium occurs in group 1 (the alkali metals) and boron occurs in group 3. Isotopes exist for both elements.
Distinguish between the terms group and period.
Group: (elements in vertical) columns in periodic table and Period: (elements in horizontal) rows in periodic table;
Marking guidance:
Allow elements in same group have similar chemical properties and within a period, atoms have same number of shells/energy levels (but number of electrons in valence/outer shell increases).
Allow groups distributed vertically and periods distributed horizontally / OWTTE.
Allow group number gives number of valence/outer shell electrons (for maingroup elements) and period gives same number of shells/energy levels.
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