# SC10-WEEK13-THE FUNDAMENTALS OF ATOMIC THEORY

VIMSCHOOL

Created on April 29, 2024

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## Transcript

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Objectives

The Fundamentals of Atomic Theory

Discovery of the Atom

The concept of the atom dates back to ancient Greece, but it was not until the 19th century that John Dalton proposed the modern atomic theory. His model described atoms as indivisible and distinct particles. This groundbreaking idea laid the foundation for further atomic research.

Atomic Structure

Atoms are composed of protons, neutrons, and electrons. The nucleus contains protons and neutrons, while electrons orbit around the nucleus in speciﬁc energy levels. Understanding the arrangement of these subatomic particles is crucial to comprehending atomic behavior.

Quantum Mechanics

Quantum mechanics revolutionized our understanding of atomic behavior. The concept of wave-particle duality and quantum uncertainty challenged traditional physics. Scientists like Erwin Schrödinger and Werner Heisenberg made signiﬁcant contributions to this ﬁeld.

Atomic Models

Over time, various atomic models have been proposed, including Thomson's plum pudding model, Rutherford's nuclear model, and Bohr's planetary model. Each model contributed to our evolving understanding of atomic structure and led to further advancements in atomic theory.

Subatomic Particles

Bosons, Quarks and LeptonsThe discovery of subatomic particles such as quarks, leptons, and bosons has expanded our knowledge of the fundamental building blocks of matter. These particles play a crucial role in the behavior and interactions of atoms at the subatomic level.

Modern Applications

The principles of atomic theory have far-reaching applications, from nuclear energy and radiation therapy to nanotechnology and quantum computing. Understanding atomic behavior has paved the way for signiﬁcant technological advancements in various ﬁelds.

Challenges and Frontiers

Continued research in atomic theory faces challenges such as quantum entanglement and dark matter. Exploring these frontiers could lead to groundbreaking discoveries that reshape our understanding of the universe at the most fundamental level.

Conclusion

In conclusion, atomic theory has evolved signiﬁcantly from its early conceptualization to our current understanding. The journey of discovery continues, and the impact of atomic theory on science and technology is profound. We encourage further exploration of this captivating ﬁeld.

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Welcome 6th graders!

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10TH-THE FUNDAMENTALS OF ATOMIC THEORY-EN © 2024 by CASURID is licensed under CC BY-NC-ND 4.0

SSC.912.P.8.4 Explore the scientific theory of atoms (also known as atomic theory) by describing the structure of atoms in terms of protons, neutrons and electrons, and differentiate among these particles in terms of their mass, electrical charges and locations within the atom.