IB Chemistry HL 2.1 Models of Particulate Nature Question Bank
Practise IB Chemistry HL 2.1 with evidence-led questions on particulate models, bonding, structure and material properties.
- Syllabus
- First assessment 2025
- Course
- Chemistry HL
- Level
- HL
Covered syllabus points
2.1 The ionic model 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
2.1 The ionic model question 2
[Maximum number: 3]
Magnesium is a group 2 metal which exists as a number of isotopes and forms many compounds.
Question (a)
(a)
In addition to magnesium oxide, magnesium forms another compound when burned in air. Suggest the formula of this compound.
[ 1 ]
Mg3 N2
Marking guidance:
Accept MgO2,Mg(OH)2,Mg(NOx)2,MgCO3.
Question (b)
(b)
Describe the structure and bonding in solid magnesium oxide.
[ 2 ]
«3-D/giant» regularly repeating arrangement «of ions»
OR
lattice «of ions»
electrostatic attraction between oppositely charged ions
OR
electrostatic attraction between Mg^2+ and O^2- ions
Marking guidance:
Accept "giant" for M1 unless "giant covalent" stated.
Do not accept "ionic" without description.
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