Question

A 14 inch thick lead sheet is used for protection from medical x-rays. If a single lead atom has a diameter 350 pm, how many atoms thick is the lead sheet?

Answer 1

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Answer:

1/4 inch = 6.35 ×$10 ^{ - 3}$m.

1 pm = 1 × $10 ^{ - 12}$m.

Explanation:

We assume that the lead atoms are close packed. Therefore we divide the sheet thickness by the diameter of of a single lead atom.

6.35×$10 ^{ - 3}$m

350×$10 ^{ - 12}$m

=Something large.

The difficulty with doing these problems is getting such a large number that intuitively you have no idea how feasible the number is.

HOPE IT HELPS....

PLEASE MARK IT AS BRAINIEST ...~

Answer 2

Answer:

A 14 inch thick lead sheet is used for protection from medical x-rays. If a single lead atom has a diameter 350 pm, how many atoms thick is the lead sheet?