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Perovskites

Consider the following statements:

  1. Perovskites are leading candidates for eventually replacing silicon as the material of choice for solar panels.
  2. A perovskite is a material that has the same crystal structure as the mineral calcium titanium oxide, the first-discovered perovskite crystal.
  3. Generally, perovskite compounds have a chemical formula ABX2, where 'A' and 'B' represent cations and X is an anion that bonds to both.

Which of the above statement(s) is/are true?

A
1 and 2
B
2 and 3
C
1 and 3
D
All of the above