Topic 6 Microscopic World II Unit 23 Shapes of molecules Unit 24 Bond polarity and intermolecular forces Key C o ncepts Microscopic World II Shapes of molecules • Covalent molecules with non-octet structures • Shapes of molecules • The VSEPR theory • Molecular crystals of buckminsterfullerene (C60) • Carbon nanotubes Bond polarity and intermolecular forces • Electronegativity and bond polarity • Van der Waals’ forces • Factors affecting the strength
Premium Atom Oxygen Molecule
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS General Certificate of Education Ordinary Level CHEMISTRY Paper 1 Multiple Choice May/June 2005 1 hour Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) 5070/01 w w w e tr .X m eP e ap .c rs om READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. Write your name‚ Centre number and candidate number on the answer
Premium Oxygen Hydrochloric acid Ammonia
thematic clusters of the passage you will discuss INTRODUCTION You may very briefly summarize the piece. What’s the occasion here? For pieces studied in advance‚ provide context Sequential context: what has come before (for Shakespeare or for a longer poem) Narrative context: what’s happening in this passage (i.e. brief summary) Context of the writer’s work: for example‚ what threads‚ concerns‚ or motifs does the author continue to develop in this piece. Central assertion: Recognizes the structure
Premium Sentence Paragraph Poetry
university of Business Agriculture and Technology Assignment No-01 Course name- General Chemistry “Topic” The importance of Chemistry in our daly life Submitted to Dr.Mohammad Harun-Ur-Rashid Submitted by Group-Royals Chemistry: The chemistry is the study of substances specially their structure‚ properties‚ transformations and the energy accompanying these transformation. Chemistry is very important within our daily lives. We are using it all of the time without even realizing
Premium Chemistry Chemical reaction
Chemistry of love: how science can explain our daily lives? By Barton Dong Loving and being loved adds richness to our lives. When people feel close to others they are happier and even healthier. Love helps us feel important‚ understood‚ and secure. When people think of love‚ a romantic emotional scene appears in their minds. In the heavy days of a mutual crush‚ pulses race‚ knees go weak‚ and heads reel. So strong are these feelings‚ they’ve launched a thousand songs and
Premium Love
Importance of Chemistry Chemistry is an important branch of science. Chemistry deals with the matter that form our environment and the transformation that the matter undergoes. Chemistry is therefore‚ useful in understanding the changes taking place in the constituents of the environment and the resulting advantages. Chemistry is connected with composition‚ structure and properties of the matter. In fact it is a science of atoms and molecules. Organic chemistry‚ inorganic chemistry‚ physical chemistry‚ analytical
Premium Chemistry Units of measurement
Absorbance of Light vs. Concentration of Colored Solution Introduction: Performing this lab showed the importance of light in virtual drug screening because light can be used in a variety of ways to obtain different kinds of information in research. Light can be used to determine the concentration of DNA or protein in solution‚ tag different objects such as cells‚ protein structures‚ or bacteria in order to determine whether there is a large amount of a certain substance‚ and to determine the size
Premium Concentration Chemistry Light
CHEM 105 Chemistry in the Human Environment CRN 80464 Fall 2013 General Description CHEM 105 Chemistry in the Human Environment is a onesemester non-mathematical course for liberal arts and non-science majors‚ which fulfills G.E. requirements in physical sciences. The course stresses a humanistic approach to chemistry‚ introducing concepts via important social and environmental contexts. Students need not have any previous exposure to chemistry. Access Requirements No campus visits are required
Premium Chemistry Website Natural environment
to ensure that I must become an expert in the field of laboratory science after graduating from high school. In my opinion‚ this was the best way to get answers to the many questions I had about blood cancer. I knew that achieving the required grade to study laboratory science meant I had to work very hard in high school. I graduated high school with flying colors‚ and I was all set to join university and study laboratory science. However‚ my father strongly rejected the idea of me studying in a
Premium High school Chemistry Graduation
Chapter 1: Intermolecular Forces: Liquids‚ Solids‚ and Phase Changes Chem 11: General Chemistry 2 Topics 1.1 An Overview of Physical States and Phase Changes 1.2 Quantitative Aspects of Phase Changes 1.3 Types of Intermolecular Forces 1.4 Properties of the Liquid State 1.5 Uniqueness of Water 1.6 The Solid State: Structure‚ Properties and Bonding A hot spring on a snowy day The Kinetic Molecular View of the Three States The characteristic properties of gases‚ liquids
Premium Water Atom Fundamental physics concepts