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    Atomic Structure — Bohr's Model

    Understand the postulates, derivations and limitations. Includes a guided video and a 12-question quiz.

    24 min 12 questions 1 video
    Popular
    Chemical Bonding
    38 min · 18 questions
    Recently Updated
    Thermodynamics
    42 min · 24 questions
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    32:14
    Lesson 1
    Beginner

    Mole Concept — Stoichiometry Masterclass

    41:08
    Lesson 2
    Intermediate

    Chemical Bonding — VSEPR Deep Dive

    28:55
    Lesson 3
    Advanced

    Electrochemistry — Nernst Equation

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    3Question 3 of 10 · Atomic Structure
    00:42

    The energy of an electron in the second Bohr orbit of hydrogen atom is:

    A−13.6 eV
    B−3.4 eV
    C−1.51 eV
    D−0.85 eV
    Explanation

    Using En = −13.6/n² eV, for n = 2 we get −13.6/4 = −3.4 eV.

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    Organic Chemistry · Card 1
    Markovnikov's Rule

    In the addition of HX to an unsymmetrical alkene, hydrogen adds to the carbon with more hydrogens already attached.

    Tap to flip1 / 24
    Organic Chemistry · Card 2
    Markovnikov's Rule

    In the addition of HX to an unsymmetrical alkene, hydrogen adds to the carbon with more hydrogens already attached.

    Tap to flip1 / 24
    Organic Chemistry · Card 3
    Markovnikov's Rule

    In the addition of HX to an unsymmetrical alkene, hydrogen adds to the carbon with more hydrogens already attached.

    Tap to flip1 / 24
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