Explain Rutherford's gold foil experiment.

Explain the difference between compounds and mixtures. Write examples

Solve the following with correct number of significant digits.

a$)4\mathrm{.}005+5\mathrm{.}7+16\mathrm{.}3$

b$)4\mathrm{.}25\frac{{10}^{17}}{3\mathrm{.}7}{10}^{-7}$

c$)(7\mathrm{.}25{10}^{17})(3\mathrm{.}4{10}^{-6})$

Convert the following. Keep correct number of significant digits.

$45\mathrm{.}8$ milliigrams to Kilograms

$0\mathrm{.}75Km$ to centimeters

$58.F$ to $C$

$35.K$ to $C$

$2\mathrm{.}8K\frac{m}{H}r$ to mete$\frac{r}{second}$

Write the following measurements in Scientific notations with $3$ significa figures.

$204600.m$

$0\mathrm{.}003528g$