1
Number of atoms per unit cell in B.C.C. is
- 9
- 4
- 2
- 1
Answer
(3) 2
Solution
In a body-centred cubic (bcc) unit cell:
Corner atoms: 8 18 = 1
Body-centre atom: 1 1 = 1
∴ Number of atoms per unit cell = 1 + 1 = 2
Answer: (3)
AIPMT 2002
Solid State · Question 44
Keep practising — Solid State
2
When Zn converts from melted state to its solid state, it has hcp structure, then find the number of nearest atoms.
- 6
- 8
- 12
- 4
Out of syllabusAIPMT 2001
3
The cations and anions are arranged in alternate form in
- metallic crystal
- ionic crystal
- covalent crystal
- semi-conductor crystal
AIPMT 2000
4
Cations and anions combine in a crystal to form the following type of compound
- ionic
- metallic
- covalent
- dipole-dipole
Out of syllabusAIPMT 2000
5
In a cubic crystal, A-atoms are placed at every corner and B-atoms at the centre of every face. The formula of the compound is
- AB
- AB3
- A2B2
- A2B3
Out of syllabusAIPMT 2000
All NEET Chemistry chapters
Physical ChemistrySome Basic Concepts of ChemistryStructure of AtomStates of MatterThermodynamicsEquilibriumRedox ReactionsSolid StateSolutionsElectrochemistryChemical KineticsSurface Chemistry
Inorganic ChemistryClassification of Elements and Periodicity in PropertiesChemical Bonding and Molecular StructureHydrogens-Block Elementsp-Block Elements (Group 13 & 14)Environmental ChemistryGeneral Principles of Isolation of Elementsp-Block Elements (Group 15–18)d- and f-Block ElementsCoordination Compounds