Question

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Explanation:

Step1: Recall Ionic/Covalent Rules

Ionic bonds: metal + nonmetal (or polyatomic ion). Covalent: nonmetal + nonmetal (or metalloid + nonmetal, or molecular compounds).

Step2: Classify Each Compound

• Ionic Compounds (metal/polyatomic ion + nonmetal/polyatomic ion):

$\ce{Al2O3}$ (Al - metal, O - nonmetal), $\ce{AlPO4}$ (Al - metal, $\ce{PO4^{3-}}$ - polyatomic ion), $\ce{Ba(OH)2}$ (Ba - metal, $\ce{OH-}$ - polyatomic ion), $\ce{Ca3N2}$ (Ca - metal, N - nonmetal), $\ce{Cu(NO3)2}$ (Cu - metal, $\ce{NO3-}$ - polyatomic ion), $\ce{FeS}$ (Fe - metal, S - nonmetal), $\ce{K2CO3}$ (K - metal, $\ce{CO3^{2-}}$ - polyatomic ion), $\ce{KCN}$ (K - metal, $\ce{CN-}$ - polyatomic ion), $\ce{KHSO4}$ (K - metal, $\ce{HSO4-}$ - polyatomic ion), $\ce{Li3P}$ (Li - metal, P - nonmetal), $\ce{LiC2H3O2}$ (Li - metal, $\ce{C2H3O2-}$ - polyatomic ion), $\ce{MgBr2}$ (Mg - metal, Br - nonmetal), $\ce{Na2SO3}$ (Na - metal, $\ce{SO3^{2-}}$ - polyatomic ion), $\ce{NaClO4}$ (Na - metal, $\ce{ClO4-}$ - polyatomic ion), $\ce{NH4NO2}$ ($\ce{NH4+}$ - polyatomic ion, $\ce{NO2-}$ - polyatomic ion), $\ce{PbCrO4}$ (Pb - metal, $\ce{CrO4^{2-}}$ - polyatomic ion), $\ce{ZnSO4}$ (Zn - metal, $\ce{SO4^{2-}}$ - polyatomic ion).

• Covalent Compounds (nonmetal + nonmetal):

$\ce{CCl4}$ (C, Cl - nonmetals), $\ce{CH4}$ (C, H - nonmetals), $\ce{Cl2S3}$ (Cl, S - nonmetals), $\ce{CO2}$ (C, O - nonmetals), $\ce{H2O}$ (H, O - nonmetals), $\ce{H2S}$ (H, S - nonmetals), $\ce{NF3}$ (N, F - nonmetals), $\ce{P2O5}$ (P, O - nonmetals).

Step3: Fill the Table

Ionic	Covalent
$\ce{AlPO4}$	$\ce{CH4}$
$\ce{Ba(OH)2}$	$\ce{Cl2S3}$
$\ce{Ca3N2}$	$\ce{CO2}$
$\ce{Cu(NO3)2}$	$\ce{H2O}$
$\ce{FeS}$	$\ce{H2S}$
$\ce{K2CO3}$	$\ce{NF3}$
$\ce{KCN}$	$\ce{P2O5}$
$\ce{KHSO4}$
$\ce{Li3P}$
$\ce{LiC2H3O2}$
$\ce{MgBr2}$
$\ce{Na2SO3}$
$\ce{NaClO4}$
$\ce{NH4NO2}$
$\ce{PbCrO4}$
$\ce{ZnSO4}$

Answer:

Ionic Compounds:

$\ce{Al2O3}$, $\ce{AlPO4}$, $\ce{Ba(OH)2}$, $\ce{Ca3N2}$, $\ce{Cu(NO3)2}$, $\ce{FeS}$, $\ce{K2CO3}$, $\ce{KCN}$, $\ce{KHSO4}$, $\ce{Li3P}$, $\ce{LiC2H3O2}$, $\ce{MgBr2}$, $\ce{Na2SO3}$, $\ce{NaClO4}$, $\ce{NH4NO2}$, $\ce{PbCrO4}$, $\ce{ZnSO4}$

Covalent Compounds:

$\ce{CCl4}$, $\ce{CH4}$, $\ce{Cl2S3}$, $\ce{CO2}$, $\ce{H2O}$, $\ce{H2S}$, $\ce{NF3}$, $\ce{P2O5}$

(Table filled with these compounds under respective columns.)