Term
|
Definition
| An ionic bond forms when **** are transfer from one to another |
|
|
Term
|
Definition
| The lower ionization energy, the easier it is to remove an electron from an atom |
|
|
Term
|
Definition
How many sodium ions surround each chloride ion in this
three-dimensional structure? |
|
|
Term
|
Definition
The attractions among ions
within a crystal lattice are weak |
|
|
Term
|
Definition
How
many pairs of electrons must two nitrogen atoms share in order for
each atom to have eight valence electrons? |
|
|
Term
|
Definition
When atoms form a polar covalent bond, the atom with the greater
attraction for electrons has a partial ****charge |
|
|
Term
|
Definition
In a water molecule, the
hydrogen side of the molecule has a partial positive charge, and
the oxygen side has a partial negative charge |
|
|
Term
|
Definition
A compound made from
only two elements |
|
|
Term
|
Definition
When a metal forms more than one ion, the name of the ion contains
a Roman numeral to indicate the ****** on the ion |
|
|
Term
|
Definition
A term describing a covalent bond in which electrons
are not shared equally |
|
|
Term
|
Definition
The new substances formed
as a result of a chemical reaction are called products |
|
|
Term
|
Definition
According to the equation
C ! O2hCO2, how many carbon atoms react with 14 molecules
of oxygen to form 14 molecules of carbon dioxide? |
|
|
Term
|
Definition
A chemical equation must
be balanced in order to show that mass is conserved during a
reaction |
|
|
Term
|
Definition
Chemists use a counting unit called a(n)***** to measure amounts of a substance because chemical reactions often
involve large numbers of small particles |
|
|
Term
|
Definition
A decomposition reaction is
the opposite of a synthesis reaction |
|
|
Term
|
Definition
Which reactant
is oxidized in this reaction? |
|
|
Term
|
Definition
| During a chemical reaction, energy is either released or |
|
|
Term
|
Definition
| Any change that happens over time can be expressed as a(n) |
|
|
Term
|
Definition
A substance that affects the reaction rate
without being used up in the reaction |
|
|
Term
|
Definition
Areaction in which a substance reacts
rapidly with oxygen, often producing
heat and light |
|
|
