You are watching: How to tell if a compound is ionic or molecular
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ionic bond, also called electrovalent bond, form of linkage developed from the electrostatic attraction between oppositely charged ion in a chemical compound. Together a bond develops when the valence (outermost) electron of one atom are transferred permanently to an additional atom. The atom that loses the electrons becomes a positively fee ion (cation), if the one the gains them i do not care a negatively fee ion (anion). A brief treatment that ionic bonds follows. For full treatment, see chemistry bonding: The development of ionic bonds.
Ionic bonding results in compounds well-known as ionic, or electrovalent, compounds, which are best exemplified by the link formed in between nonmetals and the alkali and alkaline-earth metals. In ionic crystalline solids of this kind, the electrostatic pressures of attraction between opposite charges and repulsion between comparable charges orient the ion in together a manner that every optimistic ion becomes surrounding by an adverse ions and vice versa. In short, the ions room so arranged the the confident and an unfavorable charges alternative and balance one another, the as whole charge of the whole substance being zero. The size of the electrostatic forces in ionic crystals is considerable. Accordingly, these substances have tendency to it is in hard and nonvolatile.
Sodium chloride exhibits ionic bonding. The salt atom has actually a single electron in that is outermost shell, if chlorine needs...
An ionic link is in reality the extreme case of a polar covalent bond, the last resulting native unequal sharing of electrons fairly than finish electron transfer. Ionic binding typically kind when the difference in the electronegativities that the two atoms is great, while covalent bonds kind when the electronegativities space similar. Compare covalent bond.
See more: How Many Core Electrons Are In A Chlorine Atom? ? How Many Core Electrons Does A Chlorine Atom Have