Particulate Nature Of Matter
- Norlin Suhaiza
- Apr 30, 2017
- 1 min read
Particle Theory of Matter:
Matter is made up of a large number of tiny and discrete particles.
Matter is anything that occupies space and has mass.
The particle theory of matter states that matter is made up of a large number of tiny and discrete particles.
Types of Particles :
Particles can exist as atoms, molecules or ions.
Atom is the smallest, indivisible particle of an element.
Molecules are particles that made up of two or more atoms.
Ions are particles that carry charge.
Positive ion – Cation
Negative ion - Anion
Element And Compound :
Matter Can Divided Into Elements And Compounds.
Elements
An element is a substance that consists of only one type of atom.
Element can be either atoms or molecules.
Compounds
A compound is a substance composed of molecules made up of atoms of two or more elements.
A compound is made up of either molecules or ions.
Symbol Of Elements :
A symbol of element is the chemical symbol written in short form to represent a particular element. Some elements are represented by the first letter of its name.
If there are two or more elements that have mane start with the same alphabet letter, a second letter is added to differentiate between these elements. The second letter used is always lowercase.
Some elements are represented by their Latin names.
For example :
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