Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
What are the Elements, Compounds, and Mixtures?
Element
An element is a pure substance, which is made up of only one kind of atoms. It cannot be further reduced to simpler substances by any physical or chemical methods. An atom is the smallest unit of an element.
Elements are classified into metals, non-metals, metalloids, and noble gases.
Compound
A compound is a pure substance made up of two or more different elements combined chemically in a fixed proportion. Example of atoms of different elements forming a compound.
Example: Atoms of Sodium and Chlorine combine together to form Sodium Chloride, NaCl (compound)
Na + Cl --> NaCl
Mixture
A mixture is a substance prepared by combining two or more different materials in such a way that no chemical reaction occurs. Some examples of mixtures are a tossed salad, dirt, water and sand, sand, water and gravel (Cement), and so on.
A Mixture can be homogeneous or heterogeneous.
76 Views
