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Atomic Theory Worksheet with Periodic Table History

Atomic Theory Worksheet with Periodic Table History preview
Atomic Theory Worksheet with Periodic Table History preview
Atomic Theory Worksheet with Periodic Table History preview 2
Atomic Theory Worksheet with Periodic Table History preview 3
Atomic Theory Worksheet with Periodic Table History preview 4

Look Inside · 10 pages

Atomic Theory and Structure title slide listing 10 topics, from organizing matter and ions to isotopes and radioisotopes
Opening slide to preview the unit's topics with the class
Organizing Matter slide: early scientists sorted elements by atomic mass, with a photo of Dimitri Mendeleev
Lead-in to why the periodic table was needed
Relative Masses notes: defining the unified atomic mass unit as 1/12 of carbon-12, so H is 1 u, C is 12 u and O is 16 u
Note-taking slide on the atomic mass unit
Mendeleev's Periodic Law: elements ordered by atomic mass, the K and Ar discrepancy, and today's ordering by proton number
Discussion point: why ordering by mass broke down
Dalton's Atomic Theory: the 1800s ball model of atoms as hard, indivisible spheres, with oxygen and hydrogen atoms drawn
First stop on the atomic model timeline
J.J. Thomson's 1897 cathode ray tube work showing negative particles, now called electrons, deflected by an electric field
Introduces the discovery of the electron
Thomson's Model: since atoms are neutral and electrons negative, he reasoned atoms must also hold positive particles
Prompt students to reason from charge before the model
Thomson's plum pudding or raisin bun model: diagram of electrons embedded in a positively charged sphere of pudding
Diagram to sketch into notes on early atom models
Rutherford's 1911 gold foil experiment: labeled diagram of alpha particles fired at gold foil and deflections on a screen
Walk through the experimental setup step by step
Rutherford's Hypothesis: if the plum pudding model held, alpha particles would pass through foil, some slightly diverted
Predict-then-compare before revealing the results
Attributes
Grades

Grade 10, 11, 12

Editable
Yes
Rating
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About This Product

Atomic Theory and Structure Overview - Senior Chemistry Lesson

Your lesson covers atomic theory and structure. In order, the lesson teaches about; Organizing Matter, Relative Masses, Atomic History and Theory, The Modern Periodic Table, Structure of an Atom, Ions, Atomic Mass, and Isotopes.

Your lesson includes the teacher and student version of the presentation, TWO embedded videos, an auto-graded exit ticket, and a student lesson handout so the students can record the notes on a more condensed medium.

This lesson is designed to be your go-to resource, whether you're in a traditional classroom or a virtual one. With both a teacher version and a student version, it seamlessly fits into your lesson plans, making learning engaging and adaptable.

Assessment made easy

We've included an auto-graded Exit Ticket and a quiz with an answer key because I know you don't have an excess of time. I know you don't, because I don't and I know I'll do whatever I can to reduce my grading time.

Whether you use PowerPoint or Google Slides, prefer Word or Google Docs, this lesson has you covered. This lesson comes in both Office and Google formats for your convenience.

The student version of the presentation has strategically placed blanks for them to fill in as you're teaching. It keeps them active and engaged, encourages discussion, and leaves more time for those "aha" moments.

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