Unit #4: Chemical Bonding Exam

Front

Ionic bonds form between a metal and nonmetal, nonmetal and nonmetal, metal and metal, cannot be determined

Back

cannot be determined

Front

An anion is created when

Back

an element gains a proton.

Front

A cation is created when

Back

an element gains a proton.

Front

In a nonpolar covalent bond, electrons are

Back

Located in a mobile “sea” shared by many atoms

Front

The chemical bonding in magnesium hydroxide, Mg(OH)₂, is classified as

Back

Both ionic and metallic

Front

The polarity of a chemical bond in a compound can be determined by finding the difference in the:
- Atomic masses of the bonded atoms
- Melting points of the elements in the compound
- Symmetry of the molecule
- Electronegativities of the bonded atoms

Back

Symmetry of the molecule.

Front

A covalent bond is formed between a

Back

nonmetal and nonmetal

Front

Which type of bond has an unequal sharing of electrons? Options: Polar Covalent, Non Polar Covalent, Ionic, Metallic

Back

Metallic

Front

Which type of bonding is present when valence electrons move within the substance? Options: Metallic, Ionic, Polar Covalent, Non Polar Covalent

Back

Ionic

Front

What is the chemical name for washing soda, Na₂(CO₃).

Back

Sodium carbonate