Chemistry – Page 5

Elements and Symbols The atoms are particles of elements and are represented by chemical symbols. A chemical symbol is a sign and it is made up of a letter or two letters to represent the atom of the element. Chemical symbols of atom of elements are derived from the names of the elements. The following

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Classwork Series and Exercises {Chemistry- SS3}: The Alkynes

4 Comments / Education / Tony Ali

ALKYNES An alkyne is a molecule made up entirely of carbon and hydrogen where on or more carbon atoms are connected by triple bonds. The general formula for an alkyne is CnH2n-2 where n is the number of carbon atoms in the molecule. Alkynes are named by adding the the -yne suffix to the prefix

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Classwork Series and Exercises {Chemistry- SS3}: Amines and Amides

Classwork Series and Exercises {Chemistry- SS3}: Amino Acids and Proteins

Scientists Unlock Secret to How Chameleons Change Colours

1 Comment / Science / Tony Ali

Everyone knows that chameleons are the kings of camouflage. But as to the exact process by which these familiar lizards change colour to match their environment, no one knew. Until now. If a chameleon’s striking ability to change colours seems like a magic act of smoke and mirrors, that’s because their skin is quite literally

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Classwork Series and Exercises {Chemistry- SS3}: Carbohydrates

Leave a Comment / Education / Oluwayemi Alabi

Introduction Carbohydrates (saccharides) – Molecules consist of carbon, hydrogen and oxygen atoms. A major food source and a key form of energy for most organisms. When combined together to form polymers, carbohydrates can function as long term food storage molecules, as protective membranes for organisms and cells, and as the main structural support for plants

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Classwork Series and Exercises {Chemistry- SS1}: Nature of Matter

2 Comments / Education / Oluwayemi Alabi

What is Matter? Matter is anything that has mass and occupies space. There are 3 states of matter, solids, liquids and gases. Examples of matter include the plants animals around us, the food we eat, the water we drink and even the air we breathe. In general, matter is built up of one or more

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Classwork Series and Exercises {Chemistry- SS3}: Fats and Oils

1 Comment / Education / Oluwayemi Alabi

Introduction Fats and oils are naturally-occurring esters of three long carboxylic acids called fatty acid with a special type of alcohol called glycerol ( propane- 1,2,3-triol). Glycerol has three carbon atoms, each with an –OH group on. These fats and oils belong to a group of compounds called lipids. Fats are solid at room temperature,

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Classwork Series and Exercises {Chemistry- SS3}: Alkanoic Acids

1 Comment / Education / Oluwayemi Alabi

Introduction Alkanoic acids are also known as carboxylic acids. A carboxylic acid can he identified from the carboxyl functional group and the ‘-oic’ name ending. Structural Examples of carboxylic acids Nomenclature (Naming Alkanoic Acids) Alkanoic acids are named as follows: The number of carbon atoms in the longest carbon atom chain is noted The corresponding

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