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  2. Nitrogen - Wikipedia

    en.wikipedia.org/wiki/Nitrogen

    Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System.

  3. Rutherford model - Wikipedia

    en.wikipedia.org/wiki/Rutherford_model

    He developed his model, now called the plum pudding model, primarily in 1904-06. He produced an elaborate mechanical model of the electrons moving in concentric rings, but the positive charge needed to balance the negative electrons was a simple sphere of uniform charge and unknown composition.

  4. Ernest Rutherford - Wikipedia

    en.wikipedia.org/wiki/Ernest_Rutherford

    It was a very poor and inefficient way of producing energy, and anyone who looked for a source of power in the transformation of the atoms was talking moonshine. But the subject was scientifically interesting because it gave insight into the atoms. [78] [79] The element rutherfordium, Rf, Z=104, was named in honour of Rutherford in 1997. [80]

  5. 50 Interesting And Intriguing Facts From The “Today I Learned” Community. Shelly Fourer. November 25, 2024 at 4:36 AM. Nowadays, ...

  6. 30 Strange But Interesting Facts To Satisfy Your Never ... - AOL

    www.aol.com/70-undiscovered-facts-might-not...

    Image credits: undiscoveredfacts Brazil's interesting law to reduce sentences for inmates for every book they read has some rules.The book limit for a year is 12 books, and only certain books ...

  7. Molecular model - Wikipedia

    en.wikipedia.org/wiki/Molecular_model

    The model shown to the left represents a ball-and-stick model of proline. The balls have colours: black represents carbon (C); red , oxygen (O); blue , nitrogen (N); and white, hydrogen (H). Each ball is drilled with as many holes as its conventional valence (C: 4; N: 3; O: 2; H: 1) directed towards the vertices of a tetrahedron.

  8. Matthew Meselson - Wikipedia

    en.wikipedia.org/wiki/Matthew_Meselson

    In their classic experiment, described and analyzed in a book by science historian Frederic L. Holmes, [7] they grew the bacterium Escherichia coli for many generations in medium containing 15 N as the only nitrogen source and then switched the bacteria to growth medium containing 14 N instead. They extracted DNA from bacteria prior to ...

  9. 50 Cool And Interesting Facts About The World That May Be New ...

    www.aol.com/lifestyle/65-cool-interesting-facts...

    It has over 566 thousand followers, and shares super interesting tidbits from around the world. Keep scrolling for a list of our favorites, and upvote the ones that blew the boredom out of your mind.