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USE EVIDENCE and as many Word Wall words as you can to explain WHAT IS INCORRECT ABOUT THE BOHR MODELS DRAWN as it pertains to how atomic size changes with an element's position on the periodic table.

USE EVIDENCE and as many Word Wall words as you can to explain WHAT IS INCORRECT ABOUT THE BOHR MODELS DRAWN as it pertains to how atomic size changes with an element's position on the periodic table.

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter1: The Atom In Modern Chemistry
Section: Chapter Questions
Problem 15P: In J. J. Thompson’s experiment depicted in Figures 1.10 and 1.11, assume that the electrons are...
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Hints- A model of the atom which explained the atomic emission spectrum of hydrogen was proposed by Neils Bohr. Bohr suggested that an atomic spectrum is created when the electrons in an atom move between energy levels. In Bohr’s model, electrons exist in orbits around the nucleus which only exist at fixed distances from the nucleus called energy levels. According to the Bohr model electrons can orbit at many fixed distances from the nucleus. Bohr proposed electrons orbit at fixed distances from the nucleus in stationary states, such as the ground state or excited state to explain why they did not radiate energy while orbiting the nucleus.

 

 

The arrow is pointing at the model you are supposed to look at.

### Educational Website Content **Instructions for Students:** Use words such as atomic number, mass number, electrically neutral, proton, neutron, electron, and nucleus. Note that manipulating the red dots can demonstrate how atomic size changes across periods and groups. --- **Activity:** **Objective:** Use evidence and as many Word Wall words as you can to explain what is incorrect about the Bohr models drawn, especially in relation to how atomic size changes with an element’s position on the periodic table. **Diagram Explanation:** 1. **Diagram Overview:** - The diagram features a Bohr atom model with an indication to "Look" and provides a visual representation of periods and groups on the periodic table. 2. **Model Components:** - **Atom:** A central atom model is shown, suggesting focus on atomic structure. - **Group and Period Arrows:** The diagram includes arrows labeled "Group" (horizontally) and "Period" (vertically), demonstrating the layout of the periodic table. 3. **Color-Coded Sections:** - Different colors in the diagram can signify various element groups, indicating potential changes in atomic size as you move across periods (horizontal rows) and down groups (vertical columns). **Task:** Analyze the Bohr model, identify inaccuracies, and discuss how these inaccuracies relate to changes in atomic size when moving through different periods and groups on the periodic table. Use the provided Word Wall terms to support your explanation.
Transcribed Image Text:### Educational Website Content **Instructions for Students:** Use words such as atomic number, mass number, electrically neutral, proton, neutron, electron, and nucleus. Note that manipulating the red dots can demonstrate how atomic size changes across periods and groups. --- **Activity:** **Objective:** Use evidence and as many Word Wall words as you can to explain what is incorrect about the Bohr models drawn, especially in relation to how atomic size changes with an element’s position on the periodic table. **Diagram Explanation:** 1. **Diagram Overview:** - The diagram features a Bohr atom model with an indication to "Look" and provides a visual representation of periods and groups on the periodic table. 2. **Model Components:** - **Atom:** A central atom model is shown, suggesting focus on atomic structure. - **Group and Period Arrows:** The diagram includes arrows labeled "Group" (horizontally) and "Period" (vertically), demonstrating the layout of the periodic table. 3. **Color-Coded Sections:** - Different colors in the diagram can signify various element groups, indicating potential changes in atomic size as you move across periods (horizontal rows) and down groups (vertical columns). **Task:** Analyze the Bohr model, identify inaccuracies, and discuss how these inaccuracies relate to changes in atomic size when moving through different periods and groups on the periodic table. Use the provided Word Wall terms to support your explanation.
**Bohr (1913 AD)** Proposed the "planetary model" where electrons orbit the nucleus at fixed distances and can jump around among the orbitals. **Diagram Explanation:** The diagram associated with Niels Bohr’s model shows electrons orbiting around a central nucleus similar to planets around the sun. The orbits are represented as concentric circles, illustrating the fixed paths that electrons follow. The nucleus is depicted at the center, containing protons and neutrons, which are represented by blue and red spheres. This model emphasized the quantized nature of electron energies and their ability to move between different energy levels or orbitals.
Transcribed Image Text:**Bohr (1913 AD)** Proposed the "planetary model" where electrons orbit the nucleus at fixed distances and can jump around among the orbitals. **Diagram Explanation:** The diagram associated with Niels Bohr’s model shows electrons orbiting around a central nucleus similar to planets around the sun. The orbits are represented as concentric circles, illustrating the fixed paths that electrons follow. The nucleus is depicted at the center, containing protons and neutrons, which are represented by blue and red spheres. This model emphasized the quantized nature of electron energies and their ability to move between different energy levels or orbitals.
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