Chapter 6 Test

The guideline that states that atoms obtain stable electron configurations by gaining, losing, or sharing electrons is called the

• rule of numbers

• configuration rule

• Avogadro's principle

• octet rule

What charge would you expect oxygen (O) to have based on its position on the periodic table?

• 0

• +2

• -2

• +4

An element in Group 13 would be expected to have a charge of

• 0

• +3

• -3

• +6

An ionic bond results from electrical attraction between large numbers of

• cations and anions

• atoms

• dipoles

• orbitals

Atoms with high electronegativity exhibit a ________ attraction for shared electrons.

• weak

• strong

• big

• tall

Which of the following elements is the least electronegative?

• Na

• Al

• Cl

• Si

Which of the following elements is the most electronegative?

• N

• P

• As

• Sb

A covalent bond in which there is an unequal attraction for the shared electrons is

• nonpolar

• polar

• ionic

• dipolar

A polar molecule contains

• ions

• a region of positive charge and a region of negative charge

• only London dispersion forces

• no bonds

If two covalently-bonded atoms are identical (like H—H), the bond is identified as

• nonpolar

• polar

• nonionic

• dipolar