Practice Questions for Atoms and Molecules Science Class 9
An example of a triatomic molecule is _________.
Which has more number of atoms, 100 grams of sodium or 100 grams of iron (given, atomic mass of Na = 23 u, Fe = 56 u)?
5 grams of Calcium is same as (Atomic mass of Calcium is 40)
The SI unit to measure the number of particles (atoms or molecules) is ________.
The correct formula of Potassium permanganate is
The smallest particle of a substance that is capable of independent existence is the ________.
Topics in Class 9 Science: