cameroon gce A level June 2019 chemistry 1 Questions 1 – 38 (Thirty eight questions). Directions: Each of the questions […]

2. This question concerns Group I and II elements, (a) Give the general or family name of group I and […]

Basic ATOMIC THEORY Exercises Basic ATOMIC THEORY Exercises List the three statements that make up the modern atomic theory.   […]

Atomic Theory Basics Ordinary Level Atomic Theory Basics Ordinary Level The smallest piece of an element that maintains the identity […]

Cameroon GCE A/L June 2015 Chemistry 1 Cameroon GCE A/L June 2015 Chemistry 1 Looking for solutions to this question? […]

HALOGENATION OF BENZENE AND METHYLBENZENE         This page looks at the reactions of benzene and methylbenzene (toluene) […]

    Energy changes during chemical reactions Obviously, lots of chemical reactions give out energy as heat. Getting heat by […]

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1. Describe briefly, indicating the scientist responsible, experiments that gave the following evida,riee7RT¬the model of an atom: a) The atom […]

(a) (i)Briefly outline the principal oxidation states of either Nitrogen or Sulphur, giving the name wind formula of a compound […]