this document helps foundation year students in the university of Sharjah to understand organic chem for semester 1 and it helps explain the basics of organic chem on a sophomore level or university for medical or dental students
structureofatom Nobel
Boo
thestudyofmatter shorthand method
chemistry
gas
880
0088
800
Matter anythingthat
has
mass takes
upspace He z Ne lo Ar is Ku 36 Exe
g m
did
location insionnuans insionnuans outside
n ucleus
e electrons Q2 forgia Ar is 4s
charge we neutral ve
orbitaldiagram
atomicmass atomic
number S subtend s contains t orbital
proton neutron
Natt numberofprotons numberof electron
Q1 forchlorin34 Howmanyprotonelectron neutron I subbed s contains 5 orbitals
proton I electron 17 neutron 35 17 18 f suhlived contains orbitals
Q2 what is thecharge of the atom 0,3 for a 1s 252 2ps 35 3ps 452
neutral becausethe number of proton numberof electron
pm Qusolvefora
it is due to the menders electron configuration 15252ps
Qu mostof the volume oftheatom isdueto nobelgas He 252ps
it is duetotheelectron orbitals Is 252 2ps
Isotopes
differentatoms but of the same element that has valence electron electrons in theoutermostshell
the same no of proton but diltrent no ofneutron valenceelectron no ofgroup
a
Y y In bl to 3 f s 50 3 IN Q1 Howmany valenceelectrons are for sodiumoxygen He
electron configuration
arrangeelectrons in atoms lewissymbolclevisdotdiagram
if jiff
221 331 Drawthelewis symbol forsodium
1g issue sassy osutsaby
d
s sublevel a electron d subbed to electron Na itrepresentsthe valenceelectron
level
p sub s t electrons f subtend s 14electron Draw the his symbolfor chlorine
t
group H
gup
s ve H N H
4s 4ps 44 4ft A
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