Ionic and Covalent Review

ionic

The attraction between two oppositely charged ions

covalent

Forms when two atoms share electrons

covalent

Forms between 2 nonmetals

ionic

Forms between a metal and nonmetal

ionic

NaCl

covalent

C₁₂H₂₂O₁₁

ionic

MgCl₂

covalent

H₂O

covalent

CO₂

covalent

NH₃

ionic

MgO

ionic

NaBr

covalent

CH₄

covalent

C₆H₁₂O₆

ionic

MgSO₄

covalent

O₃

ionic

NaHCO₃

covalent

C₁₂H₂₆

ionic

CaCl₂

covalent

C₂H₄O₂

ionic

CaO

ionic

Can conduct electricity when dissolved in water

ionic

High melting point

(ionic, polar covalent, or nonpolar covalent)

covalent

Cannot conduct electricity when dissolved in water

polar covalent

Low melting point

(ionic, polar covalent, or nonpolar covalent)

nonpolar covalent

Very low melting point

(ionic, polar covalent, or nonpolar covalent)

ionic

Electronegativity difference greater than 1.7

(ionic, polar covalent, or nonpolar covalent)

polar covalent

Electronegativity difference between 0.3 - 1.7

(ionic, polar covalent, or nonpolar covalent)

nonpolar covalent

Electronegativity difference less than 0.3

(ionic, polar covalent, or nonpolar covalent)