The Periodic Table

Organization of the Periodic Table

The Periodic Table is organized by _______________, which is the number of ________ in the _________.

atomic numberprotons

nucleus

The ________ and ___________ rows also show _____________ between the different elements…

vertical horizontalrelationships

Atomic number

The atomic ______ is

found in the _______

left corner of the

symbol.

The atomic _____ is

found in the ____

left corner of the

symbol.

masstop

numberbottom

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.

massIf 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!

predictedproperties

The coolest part is that Mendeleev was _____ and elements were discovered that ____ into the ______ spots!

RIGHTfit empty

Periodic Law

This early table was based on the Periodic Law, which states that ________ and ________ properties of elements were _________ functions of their atomic ________.

physical chemicalperiodic

masses

So if we lined up elements according to mass, those with similar ___________ would show up at regular __________.

propertiesintervals

The table is divided into periods and groups:

The Modern Table

Horizontal rows are called _______. (There are __ .)periods 7

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

groupsfamilies

chemical

Types of Elements

The Periodic Table contains ______, _________ and a group of elements called __________.

metalsnonmetals metalloid

s***Over __________ of the elements on the table are _______.

two-thirds metals

Metals are found on the _____, nonmetals on the ______ and metalloids in ________.

leftright

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 _______).shiny luster• They are _________ (_________).malleabl

ebendable

• They are ________ (can be made into ____).

ductilewire• They are good __________ of ___________.

conductorselectricit

y

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 _______).

dullluster

• They are ________.brittle

• They are not good __________ of ___________.

conductorselectricit

y

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 _________.

individualmetals

nonmetals

Alkali MetalsFound in Group ___ on the far ____ of the table.left

1A

Properties of Alkali Metals

Alkali metals are all ____, _____________ metals with ___ melting points.

softsilvery-white low

They are so ________ that they will _____ the skin if touched and are ______ found in nature in their _____ forms.

reactiveburnnever pure

Alkaline Earth Metals

Found in Group ___ on the far ____ of the table.

2Aleft

Properties of Alkaline Earth Metals

Alkaline Earth metals are all ____ and _____________, but have ____ melting points and high _________.

softsilvery-white

highdensities

They are good ___________ of electricity and are ______ found in nature in their ____ forms.

conductors neverpure

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.middle largest

40All transition elements are _____ with high ________ and ________ points.

metalsmelting boiling

Most are _______ at room temperature (the exception is ________, which is a ______.) All are good conductors of ___________.

solidsmercury

liquidelectricity

BCNO Group

Groups ___ to ___13 16

BCNO Group

This is a large family with ___ members, and is the most ________ group of elements.

25diverse

Members of this group include ______, _________, and __________.

metalsnonmetals

metalloids

Most are ______ at room temperature, but a few are ______.

solidsgases

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.

right5

All halogens are _________ nonmetals.

poisonousAt room temperature, ___ and ___

are gases, __ is a liquid, and __ and ___ are solids.

F ClBr I At

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 _________.

colorless odorlesstasteless

They will not ______ with any other elements, but when an electric _______ is passed through them, they will _____ in a characteristic ______.

reactcurrent

glowcolor

Lanthanide & Actinide Series

Lanthanide and Actinide series are found at the ______bottom

Lanthanides & Actinides

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.soft silvery

They are extremely ________ and will _____ in air.

reactiveburn

They are similar to the _________ metals – except that they are _____ conductors of _________.

transitionpoor

electricity

Actinide Series

The Actinide series has ___ elements, and all are ___________.

15radioactiveSome are _______ and some are

__________ (_________).natural

synthetic man-made_________ is the most _______ of the

actinides – it is used as _____ for nuclear power plants and nuclear _________.

Uranium stablefuel

weapons