Homework From Chadwick To Planck

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Answer the following using appropriate English
1. _________________________ (name of scientist) discovered the proton.

2. _________________________ (name of scientist) discovered the neutron (not until many years later: 1930s).

3. In the space below, draw a picture of Rutherford's Gold leaf Experiment (label all parts).

In the lines below, briefly explain how experiment worked.

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Using the data he obtained from his experiment (in your notes), explain how he came up with the three parts of the "nucleus".

a.______________________________________________________________________________________________

b._______________________________________________________________________________________________

c._______________________________________________________________________________________________

In the space below, draw a picture of the structure of the atom (Rutherford's).

In the space below, state what was Rutherford's Shortcoming:

2020-2021 Students DO NOT Do questions below

4. One of the major part of Bohr's theory is that:

the ___________________ of the electron is _____ (mathematical sign) to the _________________ of the electron.

Draw a picture of Bohr's model of the atom.

In the space below, explain how the atom absorbs energy. Please include information about the atom and the electrons.

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What is the incorrect part of Bohr's model of the atom?

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5. What is the math relationship between the following parameters
write I for indirectly proportional and D for directly proportional.

E ___ with lamda

E ___ with f

lamda ___ f

Write the equations and constants (also called conversion factor):

a. Light equation: _____________________

b. Energy equation: _____________________

In the line below, write the name of the electromagnetic spectrum above 750.nm, letters for rainbow, with nm of first and last letters, and the name of the electromagnetic spectrum below 400.nm

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In the space below, explain Planck's Demo (only if you did this demo).