WorksheetsAtomic Models
Total questions: 10
Worksheet time: 9mins
Bohr Model of an atom
Democritus' model of an atom
Quantum Mechanical Model of an Atom
Dalton's Atomic Model
Rutherford's atomic model
Joseph John Thomson's Atomic Model
Which discovery/invention disproved Dalton's postulate about atoms that states "atoms can neither be created nor destroyed"?
Internal combustion engine
Orbitals
Energy level
Nuclear energy
Which of the following follows Dalton's postulate about definite composition and proportion?
Different isotopes of Hydrogen
Atoms of different metals are different from each other
All types of fuel can produce the same amount of products
All molecules of carbon dioxide is composed of two oxygen atoms and an atom of carbon.
Which of the following is an evidence that only the nucleus has the mass of an atom?
They are not easily removed from the atom.
The nucleus can't be changed by ordinary means.
Alpha particles are deflected by the nucleus.
It is attracted to the negatively charged electrode.
Which of the following is the useful application of the quantum mechanical model?
mole concept
Predicting chemical reactions
Predicting metallic properties of atoms
Predicting molecular shape
