Physics 9702 · AS & A Level · Density and pressure

Density and pressure — practice question

Gold's density is $19.3\ \text{g cm}^{-3}$. A single gold atom may be treated as a cube with side length $2.6 \times 10^{-8}\ \text{cm}$. What mass does a gold atom have?

  • A$3.4 \times 10^{-25}\ \text{g}$
  • B$3.4 \times 10^{-22}\ \text{g}$
  • C$1.3 \times 10^{-17}\ \text{g}$
  • D$1.3 \times 10^{-14}\ \text{g}$

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