Na Cl crystallizes in a cubic unit cell with Cl- ions on each corner and each face. How many Na+ and Cl- ions are in each unit cell of Na Cl?
A. 1 Na+ion and 1 Cl- ion
B. 2 Na+ions and 2 Cl- ions
C. 4 Na+ions and 4 Cl- ions
D. 8 Na+ions and 8 Cl- ions
Answer:C
Na Cl crystallizes in a cubic unit cell with Cl- ions on each corner and each face. How many Na+ and Cl- ions are in each unit cell of Na Cl?
A. 1 Na+ion and 1 Cl- ion B. 2 Na+ions and 2 Cl- ions C. 4 Na+ions and 4 Cl- ions D. 8 Na+ions and 8 Cl- ions