Question 131i This table shows the mass of one atom for five chemical elements- Use it to answer the questions given- - - - - - Titanium 7-95 - 10-26- Lead 3-44 - 10-25- Silver 1-79 - 10-25- Lithium 1-15 - 10-26- Hydrogen 1-674 - 10-27- - Which is the heaviest element-

Arrangement of masses of atoms in same power of 10 is given by Titanium=7.95 × 10^ 26 Lead=34.4 × 10^ 26 Silver=17.9 × 10^ 26 Lithium=1.15 × 10^ 26 Hydrogen=0 ...

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Standard X

Physics

Alpha Decay

Question 131i...

Question

Question 131(i)

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 is the heaviest element?

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Solution

Arrangement of masses of atoms in same power of 10 is given by
Titanium= $7.95 \times 10^{- 26}$
Lead= $34.4 \times 10^{- 26}$
Silver= $17.9 \times 10^{- 26}$
Lithium= $1.15 \times 10^{- 26}$
Hydrogen= $0.1674 \times 10^{- 26}$
Thus, we have
34.4 > 17.9 > 7.95 > 1.15 > 0.1674
Lead is the heaviest element.

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Question 131(iii)

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

Question 131(ii)

Question 131(iii)

Question 131(ii)

Q. The masses of the four heaviest planets in our solar system are given below. Determine the heaviest planet from the data below.

Jupiter -

1.899 \times 10^{27} kg

Saturn -

5.685 \times 10^{26} kg

Uranus -

8.682 \times 10^{25} kg

Neptune -

1.024 \times 10^{26} kg

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Question 131(i) This table shows the mass of one atom for five chemical elements. Use it to answer the questions given. ElementsMass of atom(kg)Titanium7.95×10−26Lead3.44×10−25Silver1.79×10−25Lithium1.15×10−26Hydrogen1.674×10−27 Which is the heaviest element?

Arrangement of masses of atoms in same power of 10 is given by Titanium=7.95×10−26 Lead=34.4×10−26 Silver=17.9×10−26 Lithium=1.15×10−26 Hydrogen=0.1674×10−26 Thus, we have 34.4 > 17.9 > 7.95 > 1.15 > 0.1674 Lead is the heaviest element.