The Periodic Table

Organization of the Periodic Table The Periodic Table is organized by _______________, which is the number of ________ in the _________. atomic number protons nucleus The ________ and ___________ rows also show _____________ between the different elements… verticalhorizontal relationships

Atomic number The atomic ______ is found in the _______ left corner of the symbol. The atomic _____ is found in the ____ left corner of the symbol. mass top number bottom

Dimitri Mendeleev Mendeleev was the first scientist to _______ his version of the Periodic Table. publish Mendeleev organized his table by atomic ______, not by atomic number. mass If no element _______ to fit a particular place, Mendeleev left a _____ space, assuming that elements would be __________ to fit that space. existed blank discovered

Mendeleev’s Table Mendeleev even _________ some of the ________ of these undiscovered elements! predicted properties The coolest part is that Mendeleev was _____ and elements were discovered that ____ into the ______ spots! RIGHT fitempty

Periodic Law This early table was based on the Periodic Law, which states that ________ and ________ properties of elements were _________ functions of their atomic ________. physicalchemical periodic masses So if we lined up elements according to mass, those with similar ___________ would show up at regular __________. properties intervals

The table is divided into periods and groups:

The Modern Table Horizontal rows are called _______. (There are __.) periods7

Vertical columns are called ______ or ________ and members share similar ________ properties. groups families chemical

Types of Elements The Periodic Table contains ______, _________ and a group of elements called __________. metals nonmetals metalloids ***Over __________ of the elements on the table are _______. two-thirds metals Metals are found on the _____, nonmetals on the ______ and metalloids in ________. left right between

Location, Location, Location ______ are found on the left side of the table. Metals

Characteristics of Metals All metals share certain general characteristics: Metals are _____ (have _______). shinyluster They are _________ (_________).malleablebendable They are ________ (can be made into ____). ductile wire They are good __________ of ___________. conductors electricity

Location, Location, Location _________ are found on the right side of the table. Non-metals

Characteristics of Nonmetals All nonmetals share certain general characteristics: Nonmetals are _____ (do not have _______). dull luster They are ________.brittle They are not good __________ of ___________. conductors electricity

Location, Location, Location __________ are found between metals and nonmetals Metalloids

Characteristics of Metalloids Metalloids do ____ share general characteristics. not Instead, __________ metalloids have some properties of both ______ and _________. individual metals nonmetals

Alkali Metals Found in Group ___ on the far ____ of the table. left 1A

Properties of Alkali Metals Alkali metals are all ____, _____________ metals with ___ melting points. soft silvery-whitelow They are so ________ that they will _____ the skin if touched and are ______ found in nature in their _____ forms. reactive burn neverpure

Alkaline Earth Metals Found in Group ___ on the far ____ of the table. 2A left

Properties of Alkaline Earth Metals Alkaline Earth metals are all ____ and _____________, but have ____ melting points and high _________. soft silvery-whitehigh densities They are good ___________ of electricity and are ______ found in nature in their ____ forms. conductors never pure

Transition Metals The Transition Metals are found in the ________. middle

Transition Metals Transition metals are found in the ______ of the table. It is the ________ family with ___ members. middlelargest 40 All transition elements are _____ with high ________ and ________ points. metals meltingboiling Most are _______ at room temperature (the exception is ________, which is a ______.) All are good conductors of ___________. solids mercury liquid electricity

BCNO Group Groups ___ to ___ 1316

BCNO Group This is a large family with ___ members, and is the most ________ group of elements. 25 diverse Members of this group include ______, _________, and __________. metals nonmetalsmetalloids Most are ______ at room temperature, but a few are ______. solids gases

Halogens The elements in group ___ are known as halogens. 17A

Halogens Halogens are found on the _____ side of the table, and there are only __ elements in this family. right 5 All halogens are _________ nonmetals. poisonous At room temperature, ___ and ___ are gases, __ is a liquid, and __ and ___ are solids. FCl BrIAt All are poor __________ of electricity.conductors

Noble Gases The elements in group ___ are the noble gases. 18A

Noble Gases Noble gases are found on the far _____ side of the table. right They are all __________, _________ and _________. colorlessodorless tasteless They will not ______ with any other elements, but when an electric _______ is passed through them, they will _____ in a characteristic ______. react current glow color

Lanthanide & Actinide Series Lanthanide and Actinide series are found at the ______ bottom

Lanthanides & Actinides u These are called the inner transition elements and they belong here

Lanthanides & Actinides Why at the bottom? Well, if we put them in the table, it would look like this: Doesn’t really fit on one piece of paper…

Lanthanide Series The Lanthanide series is made up of _____, _______ metals. softsilvery They are extremely ________ and will _____ in air. reactive burn They are similar to the _________ metals – except that they are _____ conductors of _________. transition poor electricity

Actinide Series The Actinide series has ___ elements, and all are ___________. 15 radioactive Some are _______ and some are __________ (_________). natural syntheticman-made _________ is the most _______ of the actinides – it is used as _____ for nuclear power plants and nuclear _________. Uraniumstable fuel weapons