WorksheetsAtomic Models Quiz
Total questions: 10
Worksheet time: 5mins
Who proposed the concept of indivisible particles called 'atomos'?
Democritus
Dalton
Rutherford
Bohr
What did Democritus propose about atoms?
Atoms are indivisible and indestructible particles that make up all matter.
Atoms are made up of fire, water, air, and earth
Atoms are constantly changing and evolving
Atoms are the smallest unit of energy
Who proposed the “billiard ball” model of the atom?
Dalton
Thomson
Rutherford
Bohr
Who discovered the nucleus?
Dalton
Thomson
Rutherford
Bohr
Who proposed that atoms cannot be created, destroyed, or divided into smaller particles?
Dalton
Thomson
Rutherford
Bohr
Proposed the “plum pudding” model of the atom.
Dalton
Thomson
Rutherford
Bohr
Explain Dalton's atomic theory.
Atoms of the same element can have different properties
All matter is made up of energy, not particles
Atoms can be divided into smaller particles
All matter is made up of tiny, indivisible particles called atoms, and atoms of the same element are identical in size, mass, and other properties.
What was Thomson's plum pudding model?
Protons embedded in a negatively charged sphere
Electrons embedded in a positively charged sphere
Electrons orbiting around a nucleus
Neutrons embedded in a neutrally charged sphere
Who propoesed that electrons move around a central nucleus?
Dalton
Thomson
Rutherford
Bohr
Electrons do not have definite orbits, but are described by wave functions that represent probability distributions of their locations.
Schrödinger
Thomson
Rutherford
Bohr
