The smallest part of the crystal lattice has all the properties of the entire crystal, this is called:
Correct answer: B. Unit cell
- A. Unit molecule
- B. Unit cell
- C. Unit crystal
- D. All of these options are correct
Explanation
A 'unit cell' is the smallest group of atoms that has the overall symmetry of a crystal, and from which the entire lattice can be built up by repetition in three dimensions.
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Chemical bonding explains molecular shape through VSEPR theory and distinguishes sigma bonds from pi bonds. Questions involve hybridization, bond angles, dipole moment and bond energy, including how electron-pair repulsion determines geometry and how bond polarity differs from the overall polarity of a molecule.
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