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Chemistry Ionic Bond

Ionic Bonding Unit 2 Test

Why do elements chemically combine To increase the stability of their electrons
Electrons are stable when they are in groups of? Eight
Stability of eight groups is called? Noble Gas Configuration
Valence electrons can do what between 2 elements? Transfer and share
Chemical bonds hold how many atoms together? Two
Ions form when? Element gains or loses electrons
Ionic compounds form when? Positive ions attract to negative ions
Elements in the same column of the periodic table have what in common? Same valence electrons
Similar valence electrons cause elements in a group to? React in similar ways
Lewis Dot Structure shows what about elements? Valence electrons
Ionic Bonds form when? Electrons are gained or lost by an element
Metals lose electrons to form? Cations with a positive charge
Non-Metals gain electrons to form? Anions with a negative charge
Opposite charges? Attract to form the final ionic compound
If fewer than 4 electrons? Electrons are lost, stable 8 energy level
More than 4 electrons? Electrons are gained, stable 8 energy level
Formula Unit? Smallest ratio of ions
Representative particle for ionic compounds? Formula Unit
Chemical Formula? Kinds and numbers of atoms in the smallest representative particle of the substance
Formation of Ionic compounds? Always release energy
Reaction of ionic compound is? Exothermic- release energy, feels hot
Lattice energy Required to separate ions of an ionic compound
Many ionic compounds will? Dissolve in water
Electron Sea Model? Weakly held valence electrons move freely between atoms of metals
Metallic Bond? Attraction of metallic cation for delocalized electrons
Created by: tatummilo333