Atoms and Molecules
1)In a chemical substance are always present in definite proportions by mass.

2)___ is called stibium in Latin and the symbol is Sb.
  

3)Copper is known as cuprum and the symbol is
  

4)Gold as ____ and represented by Au
  

5)Copper is known as cuprum and the symbol is Gu. 
  

6)Mercury as hydragyrum and is represented as . 

7)Silver as argentum and it is represented as Ag. is the Latin name of sodium and it is represented as Na.

8)The relative atomic masses of all elements have been found with respect to an atom of  

9) is the smallest particle of an element or compound that can exist independently.

10)The formula of potassium hydroxide is ______
  


  


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