Chapter 22: Chemical Bonds 

________: one in which electrons are shared equally in bonds.

________: tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound.

________: A neutral particle that forms as a result of electron sharing.

________: a charged particle because it now has either more or fewer electrons than protons.

________: The attraction that forms between atoms when they share electrons.

________ and helium, the elements in period 1 of the periodic table, can hold a maximum of two electrons in their outer energy levels.

________ is a soft, silvery metal that combines with chlorine, a greenish yellow gas, to form ________ chloride, which is a white crystalline solid.

________ and nonmetals usually combine by forming ionic bonds.

A(n) ________ written after a symbol tells how many atoms of that element are in a unit of the compound.

________ show that they each have a stable outer energy level.

________: a positively or negatively charged, covalently bonded group of atoms.

A(n) ________ contains two single bonds.

A(n) ________ is made up of two shared electrons.

________ is an example of a covalent compound that is a crystalline solid soluble in water.

________: one that has a slightly positive end and a slightly negative end, although the overall molecule is neutral.

________: a compound that has water chemically attached to its ions and written into its chemical formula.

________ show only the electrons in the outer energy level of an atom.

________ are not always shared equally between atoms in a covalent bond.

________ are those formed between elements that are nonmetals.

A(n) ________ gives an electron to each of two chlorine atoms to form MgCl2.

________: one that is composed of two elements.

An atom is chemically stable when its outermost energy level has the ________.

Melting and boiling ________ are relatively lower when compared to ionic compounds.

________ form between nonmetallic elements.

tells what elements a compound contains and the exact number of the atoms of each element in a unit of that compound

a charged particle because it now has either more or fewer electrons than protons

the force of attraction between the opposite charges of the ions in an ionic compound

The attraction that forms between atoms when they share electrons

A neutral particle that forms as a result of electron sharing

one that has a slightly positive end and a slightly negative end, although the overall molecule is neutral

one in which electrons are shared equally in bonds

one that is composed of two elements

The charge on the ion'

a positively or negatively charged, covalently bonded group of atoms

a compound that has water chemically attached to its ions and written into its chemical formula

________ and iodine must perform a transfer of one electron.

The ________ is responsible for many of its unique properties.

Some ________ are composed of more than two elements.

A(n) ________ also can contain more than one pair of shared electrons.