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Questions and Answers
What did ancient Greek philosophers believe about matter?
What did ancient Greek philosophers believe about matter?
Dalton's theory was the first to propose that atoms are divisible.
Dalton's theory was the first to propose that atoms are divisible.
False
Who formulated the first atomic model based on experimental evidence?
Who formulated the first atomic model based on experimental evidence?
Rutherford
The nucleus of an atom contains _____ and _____ particles.
The nucleus of an atom contains _____ and _____ particles.
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Match the following subatomic particles with their characteristics:
Match the following subatomic particles with their characteristics:
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Study Notes
Atomic Structure
- Early Greek philosophers proposed atoms as fundamental, indivisible components of matter.
- John Dalton's 19th-century atomic theory posited atoms as indivisible particles.
- Ernest Rutherford's 1909 model, based on experiments, presented the first atomic model.
- The atom contains a tiny, dense nucleus composed of protons and neutrons.
- Electrons orbit the nucleus in specific energy levels.
- Protons, neutrons, and electrons are subatomic particles.
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Description
Test your knowledge on atomic structure concepts, from early Greek theories to modern atomic models. Explore the contributions of key figures like Dalton and Rutherford, and learn about subatomic particles including protons, neutrons, and electrons.
