periodic_table.ppt

7/25/2019 periodic_table.ppt

http://slidepdf.com/reader/full/periodictableppt 1/24

Introduction to theIntroduction to the

Periodic TablePeriodic Table

Atomic Number ● Symbol ● Atomic WeightAtomic Number ● Symbol ● Atomic Weight

Element ● Compound ● MixtureElement ● Compound ● Mixture





ElementsElements

Science has comeScience has come

along way sincealong way since

Aristotle’s theory ofAristotle’s theory of

Air, Water, Fire, andAir, Water, Fire, and

Earth.Earth. Scientists haveScientists have

identified 90 naturallyidentified 90 naturally

occurring elements,occurring elements,

and created about !and created about !others.others.



The most abundant element in theThe most abundant element in the

earth’s crust is oxygen.earth’s crust is oxygen.



I am Dmitri Mendeleev!I am Dmitri Mendeleev!

I made the PERIODIC TABLE !I made the PERIODIC TABLE !



What is the PERIODIC TABLEWhat is the PERIODIC TABLE

o ho"s all #no"nho"s all #no"n

elements in the universe$elements in the universe$

o Or%ani&es the elementsOr%ani&es the elementsb' chemical (ro(erties$b' chemical (ro(erties$



)o" do 'ou read the)o" do 'ou read the

PERIODIC TABLEPERIODIC TABLE



What is the ATOMIC *+MBERWhat is the ATOMIC *+MBER

o The number o,The number o,(rotons and electron(rotons and electron



What is the -MBOLWhat is the -MBOL

o An abbreviation o,An abbreviation o,the element name$the element name$



What is the ATOMIC WEI.)TWhat is the ATOMIC WEI.)T

o The number o, (rotonsThe number o, (rotonsand neutrons in theand neutrons in thenucleus o, an atom$nucleus o, an atom$



How did the chemist give symbol to eachHow did the chemist give symbol to each

element?element?



Where did the elements got it’s name?Where did the elements got it’s name?

/$ The (lace o, discover'0$ Planets name

1$ The discoverer o, the elements2$ *amed a,ter the name o, the

scientists

3$ Based on it4s characteristics



*o" 'ou are almost as smart as I*o" 'ou are almost as smart as Iam!am!

But not as handsome!But not as handsome!

Man5 I loo# .OOD!Man5 I loo# .OOD!



Elements5 Com(ounds5 andElements5 Com(ounds5 and

Mi6turesMi6tures



What is an ELEME*TWhat is an ELEME*To A substanceA substancecom(osed o, acom(osed o, asin%le #ind o, atom$sin%le #ind o, atom$

o Cannot be bro#enCannot be bro#endo"n into anotherdo"n into another

substance b'substance b'chemical or (h'sicalchemical or (h'sicalmeans$means$



What is a COMPO+*DWhat is a COMPO+*D

o A substance inA substance in"hich t"o or"hich t"o or

more di,,erentmore di,,erentelements areelements areC)EMICALL-C)EMICALL-bonded to%ether$bonded to%ether$



What is a MI7T+REWhat is a MI7T+RE

o T"o or moreT"o or more

substances thatsubstances thatare mi6edare mi6edto%ether but areto%ether but are

*OT chemicall'*OT chemicall'bonded$bonded$



Element5 Com(ound or Mi6tureElement5 Com(ound or Mi6ture


















-ou are still not as handsome as -ou are still not as handsome asthe %reat Mendeleev!the %reat Mendeleev!

I am "or#in% this beard!I am "or#in% this beard!

Man I loo# .OOD!Man I loo# .OOD!

Documents

periodic_table.ppt