It takes the average reader 13 hours and 27 minutes to read The Periodic System (1920 - 1923) by Niels Bohr
Assuming a reading speed of 250 words per minute. Learn more
Whilst volume 3 dealt primarily with the development of the quantum theory, ``The Periodic System'' contains in 2 parts the papers treating the application of the theory to the problem of atomic structure and the explanation of the periodic system of the chemical elements.
The Periodic System (1920 - 1923) by Niels Bohr is 779 pages long, and a total of 201,761 words.
This makes it 263% the length of the average book. It also has 247% more words than the average book.
The average oral reading speed is 183 words per minute. This means it takes 18 hours and 22 minutes to read The Periodic System (1920 - 1923) aloud.
The Periodic System (1920 - 1923) is suitable for students ages 12 and up.
Note that there may be other factors that effect this rating besides length that are not factored in on this page. This may include things like complex language or sensitive topics not suitable for students of certain ages.
When deciding what to show young students always use your best judgement and consult a professional.
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