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Apatite: Quiz


Question 1: For this reason, toothpaste typically contains a source of fluoride ________ (e.g.
Lithium-ion batteryIonHalf cellElectrolyte

Question 2:
What transport system is Apatite served by?
Monoclinic 2/m
Hexagonal Dipyramidal

Question 3: Major sources for gem apatite are[1] ________, Burma, and Mexico.
MozambiqueEast TimorPortugalBrazil

Question 4: A relatively rare form of apatite in which most of the OH groups are absent and containing many carbonate and acid phosphate substitutions is a large component of ________ material.
Human skeletonHuman skullBoneHead and neck anatomy

Question 5: Phosphorite is a phosphate-rich ________, that contains between 18% and 40% P2O5.
Sedimentary rockGeologic time scaleSandstoneGeology

Question 6: Apatite is a group of phosphate minerals, usually referring to hydroxyapatite, fluorapatite, chlorapatite and bromapatite, named for high concentrations of OH, F, Cl or Brions, respectively, in the ________.
SolidCrystal structureCrystalCarbon

Question 7: Hydroxylapatite is the major component of ________ and bone mineral.
Tooth enamelDental cariesTooth developmentTooth (human)

Question 8: This is also the source of radioactive ________ found in cigarettes.

Question 9: This is preferable to traditional rare earth ores, as Apatite is non-radioactive [7] and does not pose an environmental hazard in ________.

Question 10: Similarly, ________ allows exchange in the teeth of fluoride ions for hydroxyl groups in apatite.
Fluoride therapyDental cariesWater fluoridationOpposition to water fluoridation


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