Multiple Choice
Which of the following statements is INCORRECT?
A) Diagnostic imaging of the human digestive tract often requires a patient to consume a slurry of BaSO4(s) ,a compound that contains the toxic Ba2+ ion.
B) Hydroxyapatite is a calcium containing compound that is the main component of tooth enamel.
C) Beryllium is toxic.Exposure (by breathing) to beryllium can cause berylliosis.
D) Most magnesium is obtained from seawater,where it is present at a roughly 0.05 M concentration.
E) Calcium is the central element in chlorophyll.
Correct Answer:

Verified
Correct Answer:
Verified
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