Mercury: Properties, Uses, and Risks

What is the atomic number of mercury?

• 82

• 79

• 81

• 80

Which of the following is a use of mercury in medical devices?

• MRI scanners

• Stethoscopes

• Sphygmomanometers

• X-ray machines

What is the primary reason mercury is used in dental amalgams?

• It is a good insulator

• It is inexpensive

• It forms strong alloys

• It is non-toxic

Which mercury compound was historically used as an antiseptic?

• Mercuric sulfide

• Mercury fulminate

• Mercurous chloride

• Mercuric oxide

Why are mercury batteries being replaced by lithium-ion batteries?

• Mercury is toxic and difficult to dispose of

• Mercury batteries are less efficient

• Mercury batteries are larger

• Mercury batteries are more expensive