What Do You Know About Lewis DOT Diagrams?

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| By Melomee
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Melomee
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Quizzes Created: 23 | Total Attempts: 89,274
| Attempts: 439
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  • 1/10 Questions

    How many valence electrons has phosphorus?

    • 5
    • 10
    • 15
    • 20
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About This Quiz

Regardless of whether you call them Lewis structures, electron dot structures, Lewis electron dot structures, Lewis dot structures, Lewis dot diagrams, or Lewis dot formulas, it wouldn't make any difference in light of the fact that the utilization is indistinguishable.
They are illustrations utilized to demonstrate a specific bonding concept in the chemistry branch of science. To discover more, take this short test.

What Do You Know About Lewis DOT Diagrams? - Quiz

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  • 2. 
    What does a Lewis structure represent between atoms of a molecule? - ProProfs

    What does a Lewis structure represent between atoms of a molecule?

    • Heat

    • Transfer

    • Bonding

    • Energy

    Correct Answer
    A. Bonding
    Explanation
    A Lewis structure represents the bonding between atoms of a molecule. It shows how the atoms are connected to each other through chemical bonds, whether they are single, double, or triple bonds. The Lewis structure also indicates the arrangement of electrons around each atom, including lone pairs and shared pairs of electrons. This representation helps in understanding the overall structure and properties of the molecule, as well as predicting its reactivity and behavior.

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  • 3. 
    Which of these represents a shared pair of electron in a Lewis dot structure? - ProProfs

    Which of these represents a shared pair of electron in a Lewis dot structure?

    • Dot

    • Point

    • Line

    • Circle

    Correct Answer
    A. Line
    Explanation
    In a Lewis dot structure, the shared pair of electrons is represented by a line. This line indicates the sharing of electrons between two atoms, forming a covalent bond. The other options, dot, point, and circle, do not accurately represent the concept of a shared pair of electrons in a Lewis dot structure.

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  • 4. 
    Which is a noble gas? - ProProfs

    Which is a noble gas?

    • Argon

    • Lithium

    • Oxygen

    • Hydrogen

    Correct Answer
    A. Argon
    Explanation
    Argon is a noble gas because it belongs to the group of elements known as noble gases, which are characterized by their stable electron configurations. Noble gases have full outer electron shells, making them highly stable and unreactive. Argon specifically has a full outer electron shell with eight electrons, making it chemically inert. In contrast, lithium, oxygen, and hydrogen are not noble gases as they have different electron configurations and are more reactive.

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  • 5. 
    How many valence electrons have the boron group? - ProProfs

    How many valence electrons have the boron group?

    • 3

    • 5

    • 7

    • 10

    Correct Answer
    A. 5
    Explanation
    The boron group refers to Group 13 elements in the periodic table, which includes boron, aluminum, gallium, indium, and thallium. These elements have 3 valence electrons, which are the electrons in the outermost energy level of an atom that participate in chemical bonding. However, the correct answer provided is 5, which is incorrect.

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  • 6. 
    When was the award introduced? - ProProfs

    When was the award introduced?

    • 1916

    • 1920

    • 1926

    • 1930

    Correct Answer
    A. 1916
    Explanation
    The award was introduced in 1916.

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  • 7. 
    What represents quantum number? - ProProfs

    What represents quantum number?

    • Q

    • N

    • X

    • Z

    Correct Answer
    A. N
    Explanation
    The quantum number "n" represents the principal quantum number in quantum mechanics. It determines the energy level or shell of an electron in an atom. The higher the value of "n", the higher the energy level and the farther the electron is from the nucleus. This quantum number helps to define the size and energy of an electron's orbital within an atom.

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  • 8. 
    In form of which of these does a valence electron absorb or release energy? - ProProfs

    In form of which of these does a valence electron absorb or release energy?

    • Dot

    • Photon

    • Proton

    • Electron

    Correct Answer
    A. Photon
    Explanation
    Valence electrons are the outermost electrons in an atom that are involved in chemical bonding. They can absorb or release energy in the form of photons. Photons are packets of energy that can be absorbed by valence electrons, causing them to move to higher energy levels or released by valence electrons when they move to lower energy levels. This process is responsible for various phenomena such as the absorption or emission of light by atoms and molecules.

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  • 9. 
    As what must each electron first be placed? - ProProfs

    As what must each electron first be placed?

    • Lone pairs

    • Valence electrons

    • Absolute pairs

    • Covalent bonds

    Correct Answer
    A. Lone pairs
    Explanation
    Each electron must first be placed as a lone pair. Lone pairs are pairs of electrons that are not involved in bonding and are found in the outermost energy level of an atom. These electrons are not shared with any other atom and are typically represented as dots around the atom's symbol. Before forming any covalent bonds or participating in any chemical reactions, electrons need to be placed as lone pairs.

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  • 10. 
    What is another term for Lewis dot diagrams? - ProProfs

    What is another term for Lewis dot diagrams?

    • Electron photon structures

    • Electron bond structures

    • Electron atom structures

    • Electron dot structures

    Correct Answer
    A. Electron photon structures

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 22, 2018
    Quiz Created by
    Melomee
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