The Periodic Table G R O U P S P E R I O D S.

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Presentation transcript:

The Periodic Table G R O U P S P E R I O D S

The Periodic Table HALOGENS

The Periodic Table The Noble Gases

Representing Atoms The Atomic Number is also the number of PROTONS (or electrons) The Atomic Symbol Na 11 The Atomic Mass in amu’s 22.99

C C Of Isotopes and Atoms! 6 6 12.00 14.00 SAME # of Protons Isotopes have different masses from one another. The different mass is a result of different numbers of neutrons.

THE ORDER OF FILLING 4th p s d 3rd p s p 2nd s 1st s e H 1 proton

f d 4th p s d 3rd p s p 2nd s 1st s e e He 2 protons

f d 4th p s d 3rd p s p 2nd s e 1st s e e Li 3 protons

f d 4th p s d 3rd p s p 2nd s e e 1st s e e Be 4 protons

f d 4th p s d 3rd p s e p 2nd s e e 1st s e e B 5 protons

f d 4th p s d 3rd p s e e p 2nd s e e 1st s e e C 6 protons

f d 4th p s d 3rd p s e e e p 2nd s e e 1st s e e N 7 protons

f d 4th p s d 3rd p s e e e e e e p 2nd s e e 1st s e e Ne 10 protons

Na 4th 3rd 2nd 1st 11 protons e e e e e e e e e e e f d p s d p s p s

Mg 4th 3rd 2nd 1st 12 protons e e e e e e e e e e e e f d p s d p s p