Chemistry
Grade-7
Easy

Question

Which of the following has the mass number as 63.54 amu ?

  1. Silver    
  2. Copper    
  3. Gold    
  4. Aluminium    

hintHint:

a unit of mass for expressing masses of atoms, molecules, or nuclear particles equal to1/12.

The correct answer is: Copper


    Copper has a mass number of 63.54 amu. 

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