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Classwork Series and Exercises {Chemistry- SS3}: Unsaturated Hydrocarbon (Alkene)

ALKENES An alkene  also known as olefin is an unsaturated hydrocarbon containing at least one carbon-to-carbon double bond. The simplest alkenes, with only one double bond, no rings, and no other functional groups, are hydrocarbons with the general formula CnH2n. The first three are: Ethene C2H4 Propene C3H6 Butene C4H8 Laboratory Preparation of Ethene Dehydration of […]

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Classwork Series and Exercises {Mathematics- JSS2}: Binary System (Operations and Applications)

Number bases Most people count in tens. For instance, the place value of the digits in number 4956 in this system Thousands     hundreds    tens      units        ↓                       ↓                   ↓             ↓        4                    9                5             6 The place values are in powers of ten. It is called the base ten system. 4956 = 4 X

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English Words To Avoid in Other Countries

Considering travelling to other countries? For pleasure, tourism, family and friends? Here are some English words you want to refrain from using. These words, phonetically, do not work in other countries. TURKEY Peach. Going to Turkey? Avoid asking for a peach in the supermarket or anywhere else for that matter. It means ‘bastard’ in Turkish.

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University of Ibadan emerges best Higher Institution in Nigeria and 8th in Africa

University of Ibadan has been rated the best university in Nigeria and the 8th in Africa, according to a new ranking of 1,447 African universities and higher institutions, using research publications, citations from 2010 to 2014, as well as visibility on the Internet. University of Cape Town is number one in Africa, followed by Cairo University,

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Classwork Series and Exercises (English – SS2): Nouns (Countable, Concrete, Abstract) and Skill Focus

A. Structure: Nouns – Countable and Uncountable/Concrete and Abstract Countable nouns  are nouns that can be counted (e.g. oranges).  So how do we know whether or not a noun is countable or uncountable? A countable noun is a noun with both a singular and a plural form. Singular Form Plural Form car cars coin coins broom brooms

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Classwork Series and Exercises (Chemistry – SS2): Nitrogen Family

Nitrogen Family Introduction The nitrogen family includes the following compounds: nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). All Group 5 elements have the electron configuration ns2np3 in their outer shell, where n is equal to the principal quantum number. The nitrogen family is located in the p-block in Group 5, having 5 electrons

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Classwork Series and Exercises {Mathematics- SS1}: Conversion from Other Bases to Base (10) Ten

Conversion from Other Bases to Base (10) Ten It is possible to use any number as a base in building a numeral system. The number of unit used in the system is always equal to the base. Decimal/Denary Base 10-Digits  Quinary Decimal/DenaryBase 10-Digits QuinaryBase 5-Digits BinaryBase 2-Digits OctalBase 8-Digits HexadecimalBase 16-Digits 0 0 0 0

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