Bonding Test Review

Front

What type of bond does PH3 form based on electronegativity difference?

Back

Nonpolar bond.

Front

Which atom is the most electronegative in the periodic table?

Back

Fluorine.

Front

How are electrons shared in a polar covalent molecule?

Back

Unevenly.

Front

What are the electrons that don't form bonds called?

Back

Lone pairs of electrons.

Front

Which molecule is most soluble in water?

Back

Glucose (C6H12O6).

Front

Define electronegativity.

Back

Electronegativity is the tendency of an atom to attract electrons in a chemical bond.

Front

What is a polar covalent bond?

Back

A bond where electrons are shared unequally between two atoms.

Front

What is a nonpolar covalent bond?

Back

A bond where electrons are shared equally between two atoms.

Front

What is the significance of lone pairs in molecular geometry?

Back

Lone pairs can affect the shape of a molecule by repelling bonding pairs.

Front

How does the solubility of a substance relate to its polarity?

Back

Polar substances tend to dissolve in polar solvents, while nonpolar substances dissolve in nonpolar solvents.