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Answer:

nstead of using two dots to indicate the two electrons that comprise the covalent bond, a line is substituted for the two dots that represent the two electrons. Below is shown the Lewis structure for water. Two hydrogens (H) are separately covalently bonded to the central oxygen (O) atom.

Explanation:

The total number of electrons that are represented by a dash (-) in a Lewis dot structure compound is 2(Two).

What is the Lewis dot structure compound?

  • Lewis structures, also known as Lewis dot formulas, Lewis dot structures, electron dot structures, or Lewis electron dot structures, are diagrams that show the bonding between atoms of a molecule, as well as the lone pairs of electrons that may exist in the molecule.
  • A single dot represents one electron.
  • A dash typically represents 2 electrons, and typically represents a covalent bond, i.e. shared electron density between two positively charged atomic nuclei.
  • Most of the time we represent the valence electrons only.

So, the total number of electrons that are represented by a dash (-) in a Lewis dot structure compound is 2(Two).

To learn more about Lewis dot structure, refer to: https://brainly.com/question/23043991

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