Presentation outlining brief history of atom and periodic table, atomic structure and set up of the periodic table.Follows CXC curriculum gor CSEC

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THE `S` BLOCK ELEMENTS INTRODUCTION  The s block elements of the periodic table are those in which the last electron enters the outermost s-orbital.  The s-orbital…

GCNS: GEAS 3 1. A 5 lb monkey is attached to a 20 ft hanging rope that weighs 0.3 lb/ft. The monkey climbs the rope up to the top. How much work has it done. ANS. 160 ft.…

Section 1.4 Questions Understanding Concepts 1. By custom, hydrogen is put at the top of Group 1 in the periodic table. There are other places it could go. Suggest one other…

JANUARY MONTH SOCIAL 1. Who comes to your mind , when you think of Macedonia a) Nepolean b) Pope c) Alexander d) None  ANS : c) Alexander 2. The chief…

Atomic structure Close Window Atomic Structure Review Multiple-choice exercise Choose the correct answer for each question. Show all questions 1. Most of the mass of the…

Atomic Structure The structure of an atom The smallest particle of matter is called as an atom. Electrons, Protons and neutrons are the fundamental particles of the atom.…