Elements/ Symbols/Valency Class 9 C

Latin name and symbol of silver is:

• Aurrum, Au

• Argentum , Ag

• Aluminium , Al

• Argon, Ar

Phosphorous is a -------- molecule

• Monoatomic

• Diatomic

• Triatomic

• Tetra atomic

The symbol of Ammonium ion is:

• NH3+

• NH4+

• NO3-

• NO2+

The atomicity of H2SO4 is:

• 3

• 5

• 7

• 9

The symbol Al is for Aluminium. It represents:

• one atom of the element

• one molecule of the element

• one compound

• All of the above