Formula of hydroxyapatite crystal is____________?
Correct answer: B. 3Ca (Po4)2 Ca(OH)2
- A. Ca3 (Po4)2 CaCo3
- B. 3Ca (Po4)2 Ca(OH)2
- C. CaPo4 Ca(OH)2
- D. None of the above
Explanation
Hydroxyapatite is written as Ca10(PO4)6(OH)2, or equivalently 3Ca3(PO4)2·Ca(OH)2. Option b represents this equivalent formula, despite imperfect subscript formatting.
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