Ionic Compounds and Polyatomic Ions Quiz

NaCl is composed of sodium cation and chloride anion, bonded by ionic bond.

The sulfate ion carries a charge of -2 due to the presence of two extra electrons.

NaCl represents an ionic compound as it consists of sodium cation (Na^+) and chloride anion (Cl^-) bonded by ionic bond.

The ammonium ion carries a charge of +1 due to the loss of one electron.

Na2CO3 contains sodium cation (Na^+) and carbonate anion (CO3^2-) bonded by ionic bond.

Cations lose electrons to achieve a stable electron configuration.

The hydroxide ion carries a charge of -1 due to the presence of one extra electron.

Anions gain electrons to achieve a stable electron configuration.

The carbonate ion carries a charge of -2 due to the presence of two extra electrons.

The overall charge of an ionic compound is neutral, as the total positive charge of cations balances the total negative charge of anions.

The compound consists of one calcium ion (Ca^2+) and two nitrate ions (NO3^-), leading to the formula Ca(NO3)2.

The compound consists of two aluminum ions (Al^3+) and three phosphate ions (PO4^3-), leading to the formula Al2(PO4)3.

The compound consists of one magnesium ion (Mg^2+) and two chloride ions (Cl^-), leading to the formula MgCl2.

The compound consists of one potassium ion (K^+) and one iodide ion (I^-), leading to the formula KI.

The compound consists of one iron(III) ion (Fe^3+) and three cyanide ions (CN^-), leading to the formula Fe(CN)3.