MindMap Gallery Chemistry

Chemistry

Chemistry is the scientific discipline involved with elements and compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.

Edited at 2023-10-02 02:17:55

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Chemistry

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Outline

Chemistry

The Scientific Method

Make observations

Qualitative observations (describe properties or occurrences)

Quantitative observations (measurements)

Formulate a hypothesis

Design and perform experiments

Accept or modify the hypothesis

Development into a law and/or theory

Measurement

Uses numbers and units

Metric system is used by scientists

Base units (cannot be expressed in terms of other base units)

Length (meter)

Mass (kilogram)

Time (second)

Electric current (ampere)

Thermodynamic temperature (kelvin)

Amount of substance (mole)

Luminous intensity (candela)

Derived units (combinations of base units)

Volume (cubic meter)

Area (square meter)

Force (newton)

Energy (joule)

Power (watt)

Laboratory Apparatuses and Their Uses

Safety Gears

Safety goggles

Lab coat

Gloves

Lab Equipment

Thermometer

Spatula

Beaker

Reagent bottle

Flask

Erlenmeyer flask

Round bottom flask

Volumetric flask

Notable Chemists

Amedeo Avogadro (1776-1856

Creator of Avogadro's law

Jacob Berzelius (1779-1848)

Discovered the precise atomic weights of the chemical elements

Robert Boyle (1627-1691)

Discovered the first gas law (Boyle's Law)

Hennig Brand (1630-1710)

First person to discover a chemical element (phosphorus)

Dmitri Mendeleev (1834-1907)

Discovered the periodic table

Pure chemistry

Knowledge for the sake of knowiing

Applied Chemistry

Research directed toward a goal or application

Major Branches of Chemistry

Organic Chemistry

Study of most carbon-based compounds

Inorganic Chemistry

Study of all substances which are not considered organic

Physical Chemistry

Application of physical laws of chemical change and chemical systems

Biochemistry

Chemistry of life processes and living organisms

Analytical Chemistry

Various techniques and laboratory methods to determine the composition of matter

Roles of Chemistry in Society and Industry

Industry depends on chemistry Many professions need some knowledge of chemistry Theories in chemistry produce new and better materials Everyday experiences are explained by chemistry

Why Study Chemistry?

To explain the natural world

To help you prepare for a career

To become an informed citizen