Understanding Metallic Bonds and Related Concepts

What is the smallest unit of an ionic compound?

• Molecule

• Electron

• Atom

• Formula unit

How is an ionic bond formed?

• By sharing of protons

• By transferring of protons

• By transferring of electrons

• By mutual sharing of electrons

What is the smallest unit of a covalent bond?

• Molecule

• Formula unit

• Electron

• Atom

How is a covalent bond formed?

• By transferring of protons

• By sharing of protons

• By transferring of electrons

• By mutual sharing of electrons

What theory explains the bonding in metals?

• Ionic theory

• Covalent theory

• Electron sea theory

• Proton cloud theory

In metallic bonds, what do the delocalized electrons form?

• A sea of electrons

• A cloud of protons

• A lattice of ions

• A molecule of atoms

Why are metals good conductors of electricity?

• Due to the presence of free electrons

• Because they have a high melting point

• Due to the presence of protons

• Because of their rigid structure

What does malleability of metals refer to?

• Ability to resist corrosion

• Ability to be drawn into wires

• Ability to conduct electricity

• Ability to be deformed into different shapes

Which metal is known for its high malleability?

• Gold

• Copper

• Zinc

• Iron

What does ductility of metals mean?

• Ability to conduct heat

• Ability to be drawn into wires

• Ability to be molded into shapes

• Ability to resist rust