Natural & Applied Sciences

Natural & Applied Sciences Research Papers/Topics

GNS 211 MADE EASY (MODIFIED)

1. -------------- are the social interaction among people in which they create, share or exchange information and ideas in virtual communities and networks. (a) Social technology (b) Information and Communication Technology (c) Social Media* (d) Social Communication 2. Social media as a group of Internet-based applications is built on the ideological and technological foundations of …………………(a) Web 2.0* (b) Web 0.2 (c) Web 0. 1 (d) Web 1.0 3. …………………………….. ...

CHM 236: The Chemistry of Oxygen and Sulfur

The Chemistry of Oxygen The Chemistry of Ozone  Oxygen as an Oxidizing Agent  Peroxides Methods of Preparing O2 The Chemistry of Sulfur The Effect of Differences in the Strength of X-X and X=X Bonds The Effect of Differences in the Electronegativities of Sulfur and Oxygen The Effect of Differences in the Abilities of Sulfur and Oxygen to Expand Their Valence Shell

CHM 236: GROUP 18 ELEMENTS (NOBLE GASES)

Group-18 Elements General Properties Physical Properties Chemical Properties Xenon-fluorine compounds Xenon-oxygen compounds Uses Of Noble Gases

CHM 236: CHEMISTRY OF HYDROGEN

POSITION OF HYDROGEN IN THE PERIODIC TABLE DIHYDROGEN, H2 Occurrence Isotopes of Hydrogen PREPARATION OF DIHYDROGEN, H2 Laboratory Preparation of Dihydrogen Commercial Production of Dihydrogen PROPERTIES OF DIHYDROGEN Physical Properties Chemical Properties Uses of Dihydrogen HYDRIDES Ionic or Saline Hydrides Covalent or Molecular Hydride Metallic or Non-stoichiometric (or Interstitial ) Hydrides WATER Physical Properties of Water Structure of Water Structure of Ice Chemical Properties of Wat...

CHM 236: Chemistry of Carbon and Silicon

Electronic configuration Carbon in Organic Chemistry Inorganic Compounds of Carbon Silicon Allotropy Forms of Carbon Compounds of carbon Oxides of Carbon Highlights of Silicon Chemistry Compounds of Silicon Important Compounds of Tin and Lead Uses of Group 14 Elements

CHM 236: Elements Boron and Alumimium

Difference in Chemical Behaviour of the First Element Inert Pair Effect Oxidation states and Bond Type Physical properties Chemical Properties Boron and Aluminum Applications of B and Al Aluminum (Al) Production of Al Chemistry of Al Compounds of Aluminum Organoaluminum compounds Gallium (Ga) Thallium (Tl)

CHM 236: PERIODIC TABLE PAST QUESTION

___ 1. The elements characterized as nonmetals are located in the periodic table at the (1) far left; (2) bottom; (3) center; (4) *top right. ___ 2. An element that is a liquid at STP is in Group (1)IA; (2) IIA; (3) IB; (4) *IIB. ___ 3. Elements that have properties of both metals and nonmetals are called (1)* metalloids; (2) halogens; (3) alkali metals; (4) transition elements. ___ 4. Which of the following noble gases has the lowest normal boiling point? (1) *Ne; (2) Ar; (3) Kr; (4) Xe. ___...

CHM 236: Chemistry of Nitrogen and Phosphorous

THE ELEMENTS GROUP TRENDS NITROGEN STABILITY DIFFERENCE WITH CARBON NITROGEN BONDING PHOSPHORUS BONDING ELECTRONEGATIVITIES NITROGEN DINITROGEN DINITROGEN PREPARATION DINITROGEN USES OVERVIEW OF NITROGEN CHEMISTRY AMMONIA AMMONIA REACTIONS AMMONIA AS A SOLVENT THE HABER PROCESS THE HABER-BOSCH PROCESS AMMONIA PRODUCTION AND USE THE AMMONIUM ION OTHER NITROGEN HYDRIDES AZIDE USES NITROGEN OXIDES NITRATE RADICAL NITROGEN HALIDES NITROUS ACID OSTWALD PROCESS NITRITES NITRATES NITROGEN REACTIVITY...

CHM 236: Chemistry of Hydrogen Slides

Hydrogen Position of Hydrogen in the Periodic Table Isotopes of Hydrogen DIHYDROGEN PREPARATION OF DIHYDROGEN PROPERTIES OF DIHYDROGEN Uses of Dihydrogen HYDRIDES Ionic or Saline Hydrides Covalent or Molecular Hydride Metallic or Non-stoichiometric (or Interstitial) Hydrides

CHM 235: Stereochemistry of Organic Compounds

Structural Isomers Stereoisomers Conformational Isomers Configurational Isomers  (i) Optical isomers  (a) Compound with one Asymmetric Carbon Atom  (b) Compound with more than one Asymmetric Carbon Atom  (c) Compound with no Asymmetric Carbon Atom  (d) Elements of Symmetry  (e) Properties of Enantiomers  (f) Relative Configuration  (g) Absolute Configuration  (h) Fischer’s Plane Projection Diagram  (i) Optical inactivity in compounds having Chiral Carbon Atom  (ii) Geometrical Is...

Periodic Table Questions

1. The elements characterized as nonmetals are located in the periodic table at the (1) far left; (2) bottom; (3) center; (4) *top right. 2. An element that is a liquid at STP is in Group(1)IA; (2) IIA; (3) IB; (4) *IIB. 3. Elements that have properties of both metals and nonmetals are called (1)* metalloids; (2) halogens; (3) alkali metals; (4) transition elements. 4. Which of the following noble gases has the lowest normal boiling point? (1) *Ne; (2) Ar; (3) Kr; (4) Xe.


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