GASES AND COLLISION THEORY
GASES Every material expands when heated. Why? Heat energy added is absorbed by the particles of materials [solid, liquid
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CONCENTRATION OF SOLUTIONS
SOLUTION: Solute and solvent Solute: substance in smaller quantity; can be solid liquid or gas. Solvent is in larger quantity;
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ATOMIC STRUCTURE, PERIODIC TABLE, ELECTRONIC CONFIGURATION, ELECTRON TRANSITIONS: ELECTROMAGNETIC SPECTRUM AND CHEMICAL BONDING
Periodic table| Atomic structure and electronic configuration Periodic table is formed when atoms of elements are arranged in a tabular
Read moreOXIDATION NUMBERS AND REDOX REACTIONS:
Common Oxidation state numbers: How to calculate oxidation numbers This refers to the number charge on an atom of an
Read moreUNIT CONVERSIONS AND DIMENSIONAL ANALYSIS
Unit conversion and Dimensional analysis in general chemistry This deals with conversion of one unit of measurement to another unit
Read moreMOLE CALCULATIONS : MASS , MOLES , MOLAR MASS
Mass of 1 Carbon-12 atom= 12 amu 12g Carbon-12 isotope = 1 mole CARBON-12 atoms 6.023 x 1023 particles =
Read moreCHEMICAL NOMENCLATURE
Naming and writing Formula of chemical compounds: Chemical compound has two parts = + and – sides A+B– A
Read moreLewis structures, VSEPR, Formal Charges and Resonance Structures
LEWIS STRUCTURES This is a simplified structure of a compound or ion determined by using the valence electron in the
Read moreSYMMETRY ELEMENTS AND POINT GROUPS
SYMMETRY ELEMENTS The use of symmetry elements has enabled shape of objects to be classified in categories for identification. This
Read moreBalancing chemical equations
Balancing chemical equations: Important to remember that we only WRITE COEFFICIENT NUMBERS; whole numbers written in front of
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