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SECTION 4.1 DEFINING THE ATOM
1. According to Figure 5.2, 100,000,000 copper atoms would form a line 1 cm long. How long would a line formed by
1 x 107 copper atoms be? Express your answer in millimeters.

Respuesta :

onyebuchinnaji

The length of the copper atoms formed in millimeters is 1 mm.

The given parameters;

  • 100,000,000 copper atoms = 1 cm long
  • [tex]1 \times 10^{7}[/tex] copper atoms = ? millimeters

The length of the copper atoms formed in millimeters is obtained by finding the equivalent of length of the given atoms of copper in millimeters.

  • 1 cm makes 10 millimeters
  • 100,000,000 copper atoms = [tex]1 \times 10^8[/tex] copper atoms

The length of the copper atoms formed in millimeters is calculated as follows;

[tex]L_{(cm)} = \frac{\ 1 \ cm}{1 \times 10^8 \ copper \ atoms} \times 1\times 10^7 \ copper \ atoms = 0.1 \ cm\\\\L_{(mm)}= 0.1 \ cm \times 10 \ mm/cm = 1 \ mm[/tex]

Thus, the length of the copper atoms formed in millimeters is 1 mm.

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