Aromatic Hydrocarbons- Benzene
The term aromatic is derived from the Greek word aroma which means fragrance or pleasant smell. Aromatic hydrocarbons are benzene and compounds…
Grade 11 Chemistry
Notes
Alkyne
The unsaturated hydrocarbons that contain at least one carbon-carbon triple bond are alkyne. Its general chemical formula is CnH2n-2. General methods of…
Unsaturated Hydrocarbons- Alkene
Hydrocarbons that have double or triple covalent bonds between adjacent carbon atoms are unsaturated hydrocarbons. The term ‘unsaturated’ indicates that more hydrogen…
Alkane
Alkanes are the saturated hydrocarbons having a general formula CnH2n+2 where n= any positive integer. The saturated hydrocarbons are also called paraffin…
Organic Chemistry: All about organic compounds
At the beginning of the 18th century, all naturally occurring substances were divided into two main classes: organic and inorganic based on…
Alkaline Earth Metals
The elements of group 2 or IIA in the modern periodic table i.e. beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium…
Alkali Metals: Sodium and Its Compounds
The elements of group 1 (IA) in the modern periodic table namely lithium(Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and…
Metals and Metallurgy
Difference between metals and non-metals: Metals Non-Metals 1. They exist in a solid-state. ( except mercury which is liquid) 1. They may…
Phosphorous
Symbol: PAtomic number: 15Molecular formula: P4Atomic mass: 31 amuElectronic configuration: 1s2 2s2 2p6 3s2 3p3Electronegativity: 2.05 Allotropes of phosphorus: There are many…
Carbon
Symbol: CAtomic number: 6Valency: 4Atomic mass: 12 amu.Electronic configuration: 1s2 2s2 2p2Electronegativity: 2.5 Position in periodic table: Carbon is located in group…
Sulphuric Acid
The mineral acid composed of the elements sulphur, oxygen, and hydrogen that has a molecular formula of H2SO4. It is also known…
Sulphur
Symbol: SAtomic mass: 32.07 amuAtomic number: 16 Electronic configuration: 1s 2s 2p 3s 3pMolecular formula: S8Electronegativity: 2.5 Allotropes of sulphur: Uses of…
