Post on 06-Jan-2016
description
Abstract to concrete
Developed And presented ByEXECUTORSYumna AsmaMehak AliRabia AkberMaryam AbbasAyesha HashmiRabia ShafuqueNaghza Fatima
Relationship among people determine the CHARACTER of communities
Atoms and molecules like people:
ShareExchange Donate
Models of bonding in atoms and molecules:
Single Covalent Bond
Double Covalent Bond
Triple Covalent Bonds
Water our life drink
Ball and stick modelsH2O
NH3H2 ,N2, O2
Ionic BondsBall and stick model of NaClNaCl crystal
Ionic compounds have charges in them
Solutions samples
Activity 1Atoms in Ionic compounds are linked by ions:.
From abstract to concrete
We successfully continued
Finding:Physical properties are determined by nature of Chemical bonds
DataObservationIonic CovalentHardnessBrittleMeltingBarelySoftWater solubilitySolubleEasilyConductivity solidNoNOConductivity in water solutionYesNo
ObservationsFindings:Ionic compounds are composed of Ions so they are conductors
SolutionsCondition of bulbNature of compoundNaClalightIonicBenezeneOffCovalentDistilled waterOffCovalent
We did more
We foundMolecules in polar compounds are linked together by positive and negative poles.
References:Prescribed Text Book of Chemistry.
Physical chemistry Module, Interdisciplinary approach to Chemistry.
http://www.chem.ufl.edu/chem2040/cgi-bin/image-eval.cgi