What is the main postulate of Dalton's Atomic Theory?

Exploring Atomic Models

Quiz
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Others
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9th Grade
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Easy
priyanka singh
Used 1+ times
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
All matter is made of indivisible atoms.
All matter is composed of molecules.
Atoms can be created and destroyed.
All atoms of an element are identical in mass.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did Dalton describe atoms in his theory?
Atoms are indivisible particles that make up all matter.
Atoms can be created and destroyed in reactions.
Atoms are large and complex structures.
Atoms are made up of smaller particles called molecules.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the significance of Thomson's Plum Pudding Model?
It suggested that electrons are the only components of an atom.
It introduced the concept of electrons within a positively charged medium, challenging the notion of indivisible atoms.
It proposed that atoms are indivisible and uniform in structure.
It established the existence of protons as the primary atomic particle.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What experiment did Thomson use to propose his model?
Vacuum chamber experiment
Photoelectric effect experiment
Cathode ray tube experiment
Magnetic field experiment
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What did Rutherford's Gold Foil Experiment demonstrate about the atom?
The atom has a large nucleus with electrons densely packed around it.
The atom is a solid mass with no empty space.
The atom has a small, dense nucleus surrounded by mostly empty space.
The atom consists only of protons and neutrons without any empty space.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What was the unexpected result of Rutherford's experiment?
The identification of electrons.
The discovery of the atomic nucleus.
The observation of neutron particles.
The confirmation of the plum pudding model.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How did Rutherford's findings change the understanding of atomic structure?
Rutherford discovered that electrons are located in the nucleus of the atom.
Rutherford's experiments showed that atoms are indivisible and uniform throughout.
Rutherford's findings confirmed the plum pudding model of atomic structure.
Rutherford's findings revealed that atoms have a dense nucleus, changing the atomic model from the plum pudding model to the nuclear model.
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