Exploring Atomic Models Quiz

Which scientist proposed the first atomic theory that described atoms as indivisible particles?

• J.J. Thomson

• John Dalton

• Ernest Rutherford

• Niels Bohr

What is the name of the atomic model proposed by J.J. Thomson?

• Solar System Model

• Plum Pudding Model

• Nuclear Model

• Quantum Mechanical Model

In Rutherford's Gold Foil Experiment, what did the deflection of alpha particles indicate?

• Atoms are indivisible

• Atoms have a dense, positively charged nucleus

• Electrons orbit the nucleus in fixed paths

• Atoms are mostly empty space

Which atomic model introduced the idea of electrons orbiting the nucleus in fixed energy levels?

• Dalton's Atomic Theory

• Thomson's Plum Pudding Model

• Rutherford's Model

• Bohr's Model

What is the main feature of the Quantum Mechanical Model of the atom?

• Electrons are in fixed orbits

• Electrons are found in probability clouds

• Atoms are indivisible

• Atoms are solid spheres

Which of the following statements is true about Dalton's Atomic Theory?

• Atoms can be created or destroyed

• Atoms of the same element are identical

• Atoms have a nucleus

• Atoms contain electrons

How did Thomson's Plum Pudding Model describe the atom?

• A solid sphere

• A nucleus surrounded by electrons

• Electrons embedded in a positively charged "pudding"

• Electrons in fixed orbits around the nucleus

What did Bohr's Model of the atom explain about electron movement?

• Electrons move randomly

• Electrons move in fixed orbits with specific energy levels

• Electrons are embedded in a positive sphere

• Electrons are found in probability clouds

Which atomic model is based on the principles of quantum mechanics?

• Dalton's Atomic Theory

• Thomson's Plum Pudding Model

• Rutherford's Model

• Quantum Mechanical Model

Which of the following comparisons between atomic models is correct?

• Dalton's model includes a nucleus, while Thomson's model does not

• Rutherford's model describes electrons in fixed orbits, while Bohr's model does not

• Bohr's model includes fixed energy levels for electrons, while the Quantum Mechanical Model describes probability clouds

• Thomson's model describes a dense nucleus, while Rutherford's model does not