Answer
$6.14 \times 10^{18}$ atoms of Au
Work Step by Step
1 mole = $6.022 \times 10^{23}$ atoms
to convert moles into atoms we multiply the mole value by $6.022 \times 10^{23}$ atoms
= $(0.0102 \times 10^{-3}) \times (6.022 \times 10^{23})$
= $6.14 \times 10^{18}$ atoms of Au