The website has the complete lesson note for all the subjects in secondary school but this piece showcases the JSS2 Basic Science Lesson Note on Chemical Elements and Compounds. You can use the website search button to filter out the subject of interest to you.
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TOPIC: Chemical elements and compounds
Meaning of elements
Elements are substances that cannot be broken down into anything else. Everything in the world are built up from these elements. There are about one hundred and twelve (112) elements known today. Scientists use short forms called symbols to represent elements as shown below.
Name of elements symbols
- Hydrogen H
- Helium He Names of elements derived from the Latin name
- Lithium Li English name Latin name Symbol
- Beryllium Be Sodium Natrium Na
- Boron B Iron Ferrum Fe
- Carbon C Copper Cuprum Cu
- Nitrogen N Potassium Kalium K
- Oxygen O Silver Argentum Ar
- Fluorine F Gold Aurum Au
- Neon Ne Lead Plumbum Pb
- Sodium Na Mercury Hydrargyrum Hg
- Magnesium Mg
- Aluminum Al
- Silicon Si
- Phosphorus P
- Sulphur S
- Chlorine Cl
- Argon Ar
- Potassium K
- Calcium. Ca
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