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Atomic Structure

Atomic Structure

Chapter 5. Atomic Structure. Democritus. Greek teacher, who first suggested the existence of atoms, around 400 B.C. He believed atoms were indivisible and indestructible. He was unable to test his theory due to the time in history. Modern Atomic Structure John Dalton (1766-1844).

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605 views • 41 slides
Chapter 5 The Periodic Table

Chapter 5 The Periodic Table

Chapter 5 The Periodic Table. Section 5.1 Organizing the Elements Section 5.2 The Modern Periodic Table Section 5.3 Representative Groups. Section 5.1 Organizing the Elements. The Search for Order

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449 views • 36 slides
The Periodic Table

The Periodic Table

The Periodic Table. A. Dmitri Mendeleev a. In 1869 a rranged elements in order of increasing atomic mass b. He left vacant spaces in his table where unknown elements could fit.

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Warm Up 9/24/2013 - Identify the name and charge of the 3 subatomic particles.

Warm Up 9/24/2013 - Identify the name and charge of the 3 subatomic particles.

Warm Up 9/24/2013 - Identify the name and charge of the 3 subatomic particles. - How is atomic mass calculated? - How is atomic number calculated? For the isotope, Thorium-234: - What is the mass? What is the atomic number? How is Thorium-234 different from the other Thorium isotopes?.

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The Periodic Table

The Periodic Table

The Periodic Table. Periodic Table. Dmitri Mendeleev arranged the known elements by characteristics. He summarized his findings in the periodic law which states: When the elements are arranged in order of increasing mass , certain sets of properties recur periodically.

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221 views • 12 slides

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