Exam 2

Question 1

Anion

Answer 1

A negatively charged ion

Question 2

A compound made up of TWO DIFFERENT elements

Answer 2

Binary

Question 3

A positively charged ion

Answer 3

Cation

Question 4

Combination reaction

Answer 4

A chemical reaction in which two or more substances react to form a single substance

Question 5

Covalent

Answer 5

The attractive force that results between two atoms that are both attracted to a shared pair of electrons

Question 6

A process that causes substances to spontaneously intermingle when they are brought together

Answer 6

Diffusion

Question 7

Double bond

Answer 7

The bond resulting from the sharing of two pairs of electrons

Question 8

Double-replacement reaction

Answer 8

A chemical reaction in which two compounds react and exchange partners to form two new compounds

Question 9

Electronegativity

Answer 9

The tendency of an atom to attract shared electrons of a covalent bond

Question 10

an atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

Answer 10

Ion

Question 11

Iconic bond

Answer 11

The attractive force that holds together ions or opposite charge

Question 12

process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions, often in conjunction with other chemical changes

Answer 12

Ionization

Question 13

Kinetic

Answer 13

The energy a particle has as a result of its motion KE=1/2mv^2

Question 14

Lone pair

Answer 14

a pair of valence electrons that are not shared with another atom and is sometimes called a non-bonding pair. They are found in the outermost electron shell of atoms. They can be identified by using a Lewis structure.

Question 15

Nonpolar covalent bond

Answer 15

A covalent bond in which the bonding pair of electrons is shared equally by the bonded atoms

Question 16

A rule for predicting electron behavior In reacting atoms. Says atoms will gain or lose sufficient electrons to achieve a noble gas configuration. Arrangement usually consisting of 8 electrons in the valence shell.

Answer 16

Octet

Question 17

Oxidation

Answer 17

Involving the reaction with oxygen. 
A process...
-in which electrons are given up
-hydrogen is lost
-an oxidation number increase

Question 18

Polar covalent bond

Answer 18

A covalent bond that shows bond polarization, which is the bonding electrons are shared UNEQUALLY

Question 19

Polyatomic ions

Answer 19

Covalently bonded groups of atoms that carry a net electrical charge

Question 20

Potential

Answer 20

The energy a particle has as a result of attractive or repulsive forces acting on it

Question 21

Product

Answer 21

The substances produced as a result of a reaction. Written on the right side of an equation.

Question 22

Reactants

Answer 22

Substances that undergo a chemical change during a reaction. Written on left side of an equation

Question 23

A process..

• in which oxygen is lost
• electrons are gained
• hydrogen is accepted
• or oxidation decreases

Answer 23

Reduction

Question 24

A chemical reaction in which an element reacts with a compound and displaces
another element from the compound.

Answer 24

Single replacement

Question 25

Substituent

Answer 25

an atom or group of atoms taking the place of another atom or group or occupying a specified position in a molecule.

Question 26

Triple bond

Answer 26

The bond resulting from the sharing of three pairs of electrons

Question 27

Valence

Answer 27

The outermost (highest energy) shell of an element that contains electrons