This table shows the mass of one atom of Titanium and Silver. Which element is lighter, Silver or Titanium?
\begin{tabular}{c|c|} \hline Element & Mass of atom (kg) \\ \hline Titanium & $ 7.95 \times 10^{-26} $ \\ \hline Silver & $ 1.79 \times 10^{-25} $ \\ \hline \end{tabular}

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Solution

Mass of one atom of titanium is $7.95 \times 10^{- 26}$ kg

Mass of one atom of silver is $1.79 \times 10^{- 25}$ kg

Here the exponent of titanium is -26 whereas the exponent of silver is -25.

Higher the value of the negative exponent, the number will be smaller.
Here, -26<-25

So, the mass of one atom of titanium will be smaller as compared to the mass of one atom of silver.

Hence, Titanium will be a lighter element.

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Question 131(ii)

This table shows the mass of one atom for five chemical elements.
Use it to answer the questions given.
$\begin{matrix} E l e m e n t s & M a s s o f a t o m (k g) T i t a n i u m & 7.95 \times 10^{- 26} L e a d & 3.44 \times 10^{- 25} S i l v e r & 1.79 \times 10^{- 25} L i t h i u m & 1.15 \times 10^{- 26} H y d r o g e n & 1.674 \times 10^{- 27} \end{matrix}$

Which element is lighter, Silver or Titanium?

Question 131(ii)

Question 131(i)

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This table shows the mass of one atom of Titanium and Silver. Which element is lighter, Silver or Titanium? \begin{tabular}{c|c|} \hline Element & Mass of atom (kg) \\ \hline Titanium & \( 7.95 \times 10^{-26} \) \\ \hline Silver & \( 1.79 \times 10^{-25} \) \\ \hline \end{tabular}

This table shows the mass of one atom of Titanium and Silver. Which element is lighter, Silver or Titanium?
\begin{tabular}{c|c|} \hline Element & Mass of atom (kg) \\ \hline Titanium & \( 7.95 \times 10^{-26} \) \\ \hline Silver & \( 1.79 \times 10^{-25} \) \\ \hline \end{tabular}