Reaction Types

Question 1

reactions where two or more reactants form one product

Answer 1

combination reaction

Question 2

Where a compound breaks down into two or more substances, usually as a result of heating or electrolysis

Answer 2

decomposition

Question 3

A specific process that causes the decomposition of a compound by passing an electric current through the reactant

Answer 3

electrolysis

Question 4

Reactions where an atom or ion of one compound is replaced by an atom of another element

Answer 4

single-replacement

Question 5

reaction written so that only the species that participate in the reaction are shown; no spectator ions

Answer 5

net ionic reaction

Question 6

In double displacement reactions also called __ ___, elements from two different compounds ___ each other to form two new compounds, This type of reaction occurs when one of the products is removed from the solution as a ___ or ____, or when two of the original species combine to form a _ ____ that remains ____ in solution

Answer 6

metathesis reactions, displace, precipitate, gas, weak electrolyte, undissociated

Question 7

Specific type of double replacement that occurs when an acid reacts with a base to produce salt and water

Answer 7

neutralization reaction

Question 8

Reaction involving the transfer of electrons from one species to another

Answer 8

oxidation reduction reaction

Question 9

The number of charges an atom would have in a molecule if electrons were completely transferred in the direction indicated by the difference in electronegativity

Answer 9

oxidation number

Question 10

The oxidation number of a free element is ____. The oxidation number for a ___ ___ is equal to the charge of the ion.

Answer 10

0, monoatomic ion

Question 11

The oxidation number for each group in group 1A is ____ and in 2A is ___. The oxidation number of each halogen is ____, except when combined with an element of higher ____.

Answer 11

+1, +2, -1, electronegativity

Question 12

The oxidation number of hydrogen is generally ___. However, the oxidation number can be ___ when H is placed with groups __ and ___, in other words, less electronegative elements.

Answer 12

+1, -1, 1A, 2A

Question 13

In most compounds, the oxidation number of oxygen is ___. In elements that are more electronegative, its state is ____. In _____ the oxidation number is ___.

Answer 13

-2, +2, peroxides, -1

Question 14

The sum of the oxidation numbers of all the atoms present in a neutral compound is ___. The sum of the oxidation numbers of the atoms present in a __ __ is equal to the charge of the ion

Answer 14

0, polyatomic ion

Question 15

Fluorine has an oxidation number of ___ in all compounds because it has the ___ ___ of all the elements,

Answer 15

-1, highest electronegativity

Question 16

___ elements only have positive oxidation numbers, however, ____ elements may have a positive or negative oxidation number

Answer 16

metallic, nonmetallic

Question 17

To balance a redox reaction in an acidic solution, separate the two ____, and balance the atoms of each except __ and ___. Next, add ___ to balance the O atoms and ___ to balance the H atoms. Then balance the ____ of each half reactions. Then combine the half reactions, making sure they have the same number of electrons that will ___ each other out. Simplify the final equation

Answer 17

half-reactions, H, O, H2O, H+, electrons, cancel

Question 18

To balance a basic redox reaction, do the same as the acidic, then add _____ to neutralize the added H+ This is because in a basic solution ___ should not appear as a ___ since it is not readily ___. Then combine the added H and OH into ____. Simplify the final equation

Answer 18

OH-, H+ reactant, available, water