Ionic Compounds and Metals- Ionic Bonds and Ionic Compounds

Multiple Choice

Which of the following statements about binary ionic compounds is correct?

• They contain only two different elements.

• They always contain oxygen.

• They are always liquids at room temperature.

• They are formed by covalent bonding.

Multiple Choice

In the orbital notation for the formation of sodium chloride, how many electrons are present in the 3p orbital of the chloride ion (Cl⁻) after the reaction?

• 6

• 7

• 8

• 10

Multiple Choice

Which of the following best describes the process shown in the atomic models for the formation of sodium chloride?

• Sodium loses an electron and chlorine gains an electron, forming ions that attract each other.

• Sodium and chlorine share electrons to form a covalent bond.

• Sodium gains an electron and chlorine loses an electron, forming ions that repel each other.

• Sodium and chlorine combine without any electron transfer.

Multiple Choice

Which of the following statements about a crystal lattice is correct?

• It is a 3D geometric arrangement of ions in an ionic compound.

• It is a random arrangement of atoms in a molecule.

• It is a 2D structure found only in metals.

• It is the arrangement of molecules in a liquid.

Multiple Select

Which of the following are examples of compounds that form crystal lattices?

• Aragonite (CaCO₃)

• Barite (BaSO₄)

• Beryl (Be₃Al₂Si₆O₁₈)

• Water (H2O)

Multiple Choice

What are ionic compounds called when they conduct electricity after being dissolved in solution?

• Electrolytes

• Solvents

• Non-electrolytes

• Insulators