Chapter 6: The Periodic Table And Periodic Law

Front 1

Period Law

Back 1

States that when the elements are arranged by increasing atomic number, there is a periodic repetition of their properties

Front 2

Groups of the Periodic Table

Back 2

Boxes are arranged in order of increasing atomic number into a series of columns

Front 3

Periods of the Periodic Table

Back 3

Horizontal row of elements

Front 4

Representative Elements

Back 4

Elements from groups 1,2, and 13-18 in the modern periodic table, possessing a wide range of chemical and physical proberties

Front 5

Transition Elements

Back 5

Elements in groups 3-12 of the modern periodic table and are further divided into transition metals and inner transition metals

Front 6

Metals

Back 6

Elements that are generally shiny when smooth and clean, solid at room temperature, and good conductors of heat and electricity

Front 7

Alkali Metals

Back 7

The group 1 elements (except for hydrogen)

Front 8

Alkaline Earth Metals

Back 8

Highly reactive metals in group 2

Front 9

Transition Metals

Back 9

An element in groups 3-12 that is contained in the d-block of the periodic table and, with some exceptions, is characterized by a filled outermost s orbital of energy level n, and filled or partially filled d orbitals of energy level n-1

Front 10

Inner Transition Metals

Back 10

A type of group B element that is contained in the f-block of the periodic table and is characterized by a filled outermost orbital, and filled or partially filled 4f and 5f orbitals

Front 11

Lanthanide Series

Back 11

In the periodic table, the f-block elements from period 6 that follow the element lanthanum

Front 12

Actinide Series

Back 12

In the periodic table, the f-block elements from period 7 that follow the element actinium

Front 13

Nonmetals

Back 13

Elements that are generally gases or brittle, dull-looking solids

Front 14

Halogens

Back 14

Highly reactive group 17 elements

Front 15

Noble Gases

Back 15

Extremely unreactive group 18 elements

Front 16

Metalloids

Back 16

Have physical and chemical properties of both metals and nonmetals

Front 17

Ion

Back 17

An atom or a bonded group of atoms that has a positive or negative charge

Front 18

Ionization Energy

Back 18

Defined as the energy required to remove an electron from a gaseous atom

Front 19

Octet Rule

Back 19

States that atoms tend to gain, lose, or share electrons in order to acquire a full set of eight valence electrons

Front 20

Electronegativity

Back 20

Indicates the relative ability of an element's atoms to attract electrons in a chemical bond

Front 21

The group 2A elements are known as ____________ metals

Back 21

Alkaline Earth

Front 22

Elements that have physical and chemical properties of both metals and nonmetals are known as____________

Back 22

Metalloids

Front 23

The size of a positive ion is generally__________ than the isze of the neutral__________ from which it forms

Back 23

Smaller, Atom

Front 24

The size of a negative ion is generally_________ than the size of the neutral __________ from which it forms

Back 24

Larger, Atom