Consider the two ceramic atomic packing arrangements shown in the Figure. The radius of the anion is RA=0.2 nm. At i) the smallest stable cation size in I) and ii) the largest stable cation radius in II), what are the radii of the cations? What are these arrangements called? Select one: 1) 2RA a. 0.225 RA, 0.732 RA: cubic, triangular b. 0.225 RA, 0.732 RA; tetrahedral, octahedral O C. 1.00 RA, 0.155 R₁; hexagonal, triangular O d. 0.155 RA, 0.414 RA; triangular and tetrahedral II)

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Consider the two ceramic atomic packing arrangements shown in the Figure. The radius of the anion
is RA=0.2 nm. At i) the smallest stable cation size in 1) and ii) the largest stable cation radius in II), what
are the radii of the cations? What are these arrangements called?
Select one:
1)
O b.
O c.
2RA
a. 0.225 RA, 0.732 R₁ : cubic, triangular
A
0.225 RA, 0.732 RA; tetrahedral, octahedral
1.00 RA, 0.155 R₁; hexagonal, triangular
A
O d. 0.155 RA, 0.414 RA; triangular and tetrahedral
II)
Transcribed Image Text:Consider the two ceramic atomic packing arrangements shown in the Figure. The radius of the anion is RA=0.2 nm. At i) the smallest stable cation size in 1) and ii) the largest stable cation radius in II), what are the radii of the cations? What are these arrangements called? Select one: 1) O b. O c. 2RA a. 0.225 RA, 0.732 R₁ : cubic, triangular A 0.225 RA, 0.732 RA; tetrahedral, octahedral 1.00 RA, 0.155 R₁; hexagonal, triangular A O d. 0.155 RA, 0.414 RA; triangular and tetrahedral II)
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