Chemistry Ch. 7 Chemical Bonds

Ionic bonds have one or more pairs of shared electrons

When atoms bond, they lose _______.

The electron-sea theory is associated with metallic bonds

The central atom in a Lewis structure is usually the atom _________.

An atom becomes more stable by bonding with another atom to be more like what group of elements?

The ratio of cations to anions in an ionic compound is expressed in a chemical formula known as a(n) ________ unit.

Except for the transition and inner transition metals, the octet rule applies to all other elements

The main factor influencing the arrangement of ions in a crystal lattice is _________.

A bond that forms between two or more atoms that have high electron affinities is most likely a(n) _______ bond.

What do we call the attraction between opposite electrical charges?

A formula unit is the same thing as a molecule

An orderly arrangement of ions in a three-dimensional pattern within a compound is called a(n) ______.

When elements with a great difference in electronegativity combine, a great amount of energy is released

Which of the following values for the electronegativity difference would best represent a bond that is mostly ionic?

The luster or shine seen on most metals is thought to be caused by the movement of protons.

When atoms bond, they gain _______.

A dash in a Lewis structure represents ______.

The greater the difference in electronegativity between two elements, the greater the polarity of the bond

The measure of an atom's ability to attract electrons to itself in a chemical bond is called _______.

A mixture of atoms from multiple metals and has metallic properties is called a(n) _______.

All covalent molecules exhibit polarity

Which of the following is not a normal property of ionic compounds?

The total number of electrons shown in a Lewis structure must equal the total number of valence electrons available

Diatomic elements exhibit ionic bonding

Covalent bonds found in conventional plastics break down easily

Solid ionic substances conduct electricity easily

A diatomic molecule is an example of a covalent bond

Ionic compounds have lower boiling points than polar covalent compounds

Ionic compounds are more likely to fracture than covalent compounds

The mobile valence electrons in a metallic bond are said to be externalized