Unit 6 Review A

Front

What is the formula for oxygen dichloride?

Back

OCl₂

Front

Which of the following compounds is covalent? NaCl, Pb(NO₃)₂, CO₂, AlCl₃

Back

CO₂

Front

What are intermolecular forces?

Back

Forces between molecules.

Front

What is the polarity of Br-Br?

Back

Nonpolar

Front

What shape does a molecule of methane have?

Back

Tetrahedral

Front

Define covalent bond.

Back

A chemical bond formed by the sharing of electron pairs between atoms.

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed by the transfer of electrons, while covalent compounds are formed by the sharing of electrons.

Front

What is the molecular shape of water (H₂O)?

Back

Bent or V-shaped.

Front

What type of intermolecular force is present in CO₂?

Back

London dispersion forces.

Front

What is the significance of electronegativity in bonding?

Back

Electronegativity determines how strongly an atom attracts electrons in a bond.