Categories
Mathematics

Binary Numbers (Base 2 Numbers): Addition,Subtraction, Multiplication and Division

Addition in base 2 Subtraction in base 2 Multiplication & Division in base 2 ADDITION IN BASE TWO We can […]

Categories
Mathematics

Number Base Conversions

People count in twos, fives, twenties etc. Also the days of the week can be counted in 24 hours. Generally […]

Categories
Mathematics

Revision of basic operation of integers

EVALUATION What is the sum  of   6119, 19786 and 1999? A school library has 3 gross of maths textbooks, 7 […]

Categories
Mathematics

SS1 First Term Mathematics scheme of work

SUBJECT: MATHEMATICS                                                                           CLASS:          SSS 1 WEEK              SCHEME OF WORK Revision of JSS 3 works. Basic operations of Integers, Addition, […]

Categories
Chemistry

Separation Techniques Practicals in Chemistry

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Categories
Chemistry

Mixtures and Separation Techniques

A mixture is made from different substances that are not chemically joined.For example powdered iron and powdered sulphur mixed together […]

Categories
Chemistry

Oxidation numbers

OXIDATION NUMBERS It is often useful to follow chemical reactions by looking at changes in the oxidation numbers of the […]

Categories
Chemistry

Compounds: Naming ionic and molecular compounds

In chemistry, a compound is a substance that results from a combination of two or more different chemical element s, […]

Categories
Chemistry

The relative atomic masses of elements, Isotopes

Isotopes Definition: Isotopes are atoms with the same number of protons, but differing numbers of neutrons. Isotopes are different forms […]

Categories
Chemistry

Particulate nature of matter: Orbitals, Pauli Exclusion Principle, Hund’s rule, spdf configuration

Atoms are the basic units of matter and the defining structure of elements. Atoms are made up of three particles: […]