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ionic bonds are when the most electronegative atom (or compound) steals an electron to complete their valence shell (this will also remove all the electrons in the less electronegative atom in its valence shell. Once this is done, the valence shell becomes the complete shell 1 energy level below. Covalent is when they share the electrons to complete their valence shells together.
A covalent bond is when two molecules share electrons on their outer ring to make both stable. An ionic bond is when a electron jumps from one molecule to another, because one only has one and another needs one.

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13y ago

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