Summary - Matter - its properties and measurement (Chem)
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Course
Matter - its properties and measurement (CHEM)
Institution
University Of KwaZulu-Natal (UKZN)
Matter is divided into pure substances (elements and compounds) and mixtures (homogeneous and heterogeneous). Elements are single atoms, compounds are unique combinations. Mixtures vary in uniformity. Matter also exists in different states: solids with fixed positions, liquids adapting to container...
Element: Matter consists of a single type of atom.
Everything has its own characteristics.
Compound: A mixture of various substances in equal proportions.
Compounds have unique properties that differ from their components.
2. Mixtures:
Homogeneous Mixtures: Uniform composition throughout, like a
Solution.
Every part of the mixture is the same.
Heterogeneous Mixtures: Non-uniform composition, where different parts of
The mixture have different properties.
Matter can also be classified based on its physical state as solid, liquid, or gas.
This classification is known as the state of matter.
Each state has distinct properties related to its structure and behavior.
Solid: Atoms or molecules vibrate but do not move from their fixed positions.
Liquid: Particles are close together but not in a fixed arrangement.
Have a definite volume but take the shape of their container.
Atoms or molecules can move past each other.
Gas: The product is remote and unassembled.
Occupies the entire volume of the box and forms its shape.
Atoms or molecules move easily and quickly.
Plasma: Similar to gas, but contains ionized particles (charged atoms).
It is found at high temperatures, as in stars.
Has no clear image or volume.
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