If You Could Line Up Atoms of Lead-208, Approximately How

question 98

Multiple Choice

If you could line up atoms of lead-208, approximately how many atoms are required to form a line 1 inch long? Note that an atom of lead-208 has a diameter of 1.6 x 10^-10 m.

• A) 82
• B) 208
• C) 8.2 x 10⁷
• D) 1.6 x 10¹²

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Definitions:

Ocular Lens

The transparent structure inside the eye that focuses light rays onto the retina to create clear images.

Working Distance

The distance between the objective lens of a microscope and the specimen being observed.

Ocular Lens

A transparent structure within the eye that focuses light onto the retina to form clear images.