Question

list the type of bond (i, c, m) for each of the following examples
cacl₂
co₂
mgo
h₂o
ki
nacl
ba(oh)₂
na₃n
kno₃

Explanation:

• Ionic Bond (I): Formed between a metal and a non - metal. Metals lose electrons to form cations and non - metals gain electrons to form anions.
• For \(CaCl_{2}\): \(Ca\) (metal) and \(Cl\) (non - metal). \(Ca^{2 +}\) and \(2Cl^{-}\) ions are held by electrostatic forces.
• For \(MgO\): \(Mg\) (metal) and \(O\) (non - metal). \(Mg^{2+}\) and \(O^{2 -}\) ions.
• For \(KI\): \(K\) (metal) and \(I\) (non - metal). \(K^{+}\) and \(I^{-}\) ions.
• For \(NaCl\): \(Na\) (metal) and \(Cl\) (non - metal). \(Na^{+}\) and \(Cl^{-}\) ions.
• For \(Ba(OH)_{2}\): \(Ba\) (metal) and \(OH^{-}\) (polyatomic non - metal ion). \(Ba^{2+}\) and \(2OH^{-}\) ions.
• For \(Na_{3}N\): \(Na\) (metal) and \(N\) (non - metal). \(3Na^{+}\) and \(N^{3 -}\) ions.
• For \(KNO_{3}\): \(K\) (metal) and \(NO_{3}^{-}\) (polyatomic non - metal ion). \(K^{+}\) and \(NO_{3}^{-}\) ions.
• Covalent Bond (C): Formed between non - metals. Atoms share electrons.
• For \(CO_{2}\): \(C\) and \(O\) (both non - metals). \(C\) shares electrons with \(2O\) atoms.
• For \(H_{2}O\): \(H\) and \(O\) (both non - metals). \(O\) shares electrons with \(2H\) atoms.

Answer:

\(CaCl_{2}\): I, \(CO_{2}\): C, \(MgO\): I, \(H_{2}O\): C, \(KI\): I, \(NaCl\): I, \(Ba(OH)_{2}\): I, \(Na_{3}N\): I, \(KNO_{3}\): I