GENERAL KNOWLEDGE

GK

CHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An electron-dot diagram shows only the
A
neutrons
B
valence electrons
C
protons
D
nucleus
Explanation: 

Detailed explanation-1: -A Lewis electron dot diagram (or electron dot diagram or a Lewis diagram or a Lewis structure) is a representation of the valence electrons of an atom that uses dots around the symbol of the element. The number of dots equals the number of valence electrons in the atom.

Detailed explanation-2: -Electron dot diagrams are diagrams in which the valence electrons of an atom are shown as dots distributed around the element’s symbol. A beryllium atom, with two valence electrons, would have the electron dot both side of the atom.

Detailed explanation-3: -Electron dot diagrams are used to show bonding with the help of valence electrons expressed as dots around the symbol of an atom.

Detailed explanation-4: -A Lewis diagram shows how the valence electrons are distributed around the atoms in a molecule.

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