Question 131ii This table shows the mass of one atom for five chemical elements- Use it to answer the questions given- -begin array 1 - WhineTitanium - 7-95 10-26 Whline Lead - 3-44 10-25 Whline Silver - 1-79 10-25 lilhline Lithium - 1-15 times 10-26 llihline Hydrogen - 1-674 10-27 Whline lendarrayWhich element is lighter- Silver or Titanium-

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(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?

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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
Silver = $17.9 \times 10^{- 26}$ and Titanium= $7.95 \times 10^{- 26}$ , so titanium is lighter.

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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(i)

Question 131(ii)

Question 131(iii)

Question 146(i)

The given table shows the crop production of a state in the year 2008 and 2009. Observe the table given below and answer the given questions.
$\begin{matrix} C r o p & 2008 H a r v e s t (H e c t a r e) & I n c r e a s e / D e c r e a s e (H e c t a r e) i n 2009 B a j r a & 1.4 \times 10^{3} & - 100 l o w a r & 1.7 \times 10^{6} & - 440000 R i c e & 3.7 \times 10^{3} & - 100 W h e a t & 5.1 \times 10^{5} & + 190000 \end{matrix}$
For which crop(s) did the production decrease ?

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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. ElementsMass of atom(kg)Titanium7.95×10−26Lead3.44×10−25Silver1.79×10−25Lithium1.15×10−26Hydrogen1.674×10−27 Which element is lighter, Silver or Titanium?

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 Silver =17.9×10−26 and Titanium= 7.95×10−26, so titanium is lighter.