Question

The relative atomic mass of X is twice the mass of helium whereas that of Y is half the mass of helium. Choose the correct statements regarding X and Y. ​

• A. Y is 8 times heavier than $\frac{1}{{12}^{\mathrm{th}}}$ of carbon atom.​​
  
• B. Y is 2 times heavier than $\frac{1}{{12}^{\mathrm{th}}}$ of carbon atom.​​
  
• C. X is 4 times heavier than $\frac{1}{{12}^{\mathrm{th}}}$ of carbon atom.​​
  
• D. X is 8 times heavier than $\frac{1}{{12}^{\mathrm{th}}}$ of carbon atom.​​
  

Answer 1

Answer: (B), (D)

The correct options are
B Y is 2 times heavier than $\frac{1}{{12}^{\mathrm{th}}}$ of carbon atom.​​

D X is 8 times heavier than $\frac{1}{{12}^{\mathrm{th}}}$ of carbon atom.​​