Showing posts with label BASICS. Show all posts
Showing posts with label BASICS. Show all posts

LIST OF ATOMIC RADIUS AND ATOMIC WEIGHTS OF ELEMENTS BASIC INFORMATION

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Here is a list of atomic numbers and atomic weights. The radius of an atom can be estimated by taking half the distance between the nucleu...
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GLENN SEABORG AND SEABORGIUM BASIC INFORMATION AND TUTORIALS

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Prior to 1940 the periodic table ended at uranium, element number 92. Since that time, no scientist has had a greater effect on the period...

ATOMIC THEORY OF MATTER - BASIC INFORMATION AND TUTORIALS

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Philosophers from the earliest times speculated about the nature of the fundamental “stuff” from which the world is made. Democritus (460–37...

JOB OR WORKS OF CHEMIST - WHAT ARE THE POSSIBLE JOBS FOR CHEMIST?

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So What Does a Chemist Do All Day? You can group the activities of chemists into these major categories: ~ Chemists analyze substances. ...

LPG CYLINDERS ROAD TRANSPORT SAFETY PROCEDURES BASICS AND TUTORIALS

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Procedures for safe transport of LPG cylinders by road. Transport • Carry cylinders on open vehicles. Keep cylinders upright and adequate...

EMERGENCY PROCEDURES FOR DRIVERS IN TRANSPORTING RADIOACTIVE SUBSTANCE

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Arrange for the police and emergency services to be alerted Arrange for assistance to be given to any person injured or in immediate dange...

HOW WAS THE EARTH FORMED? - BASIC INFORMATION ON THE FORMATION OF PLANET EARTH

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The solar system formed about 4.6 billion years ago. The Earth and other terrestrial planets are believed to have formed by gathering togeth...

IRON (FE) CHEMICAL INFORMATION - THE CHEMISTRY OF IRON

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What Is Iron? All you need to know about the element Iron (Fe) Iron, a familiar metal, tends to rust, as everybody has seen. What happens ...

DNA REPLICATION - HOW IS DNA REPLICATED? BASIC INFORMATION AND TUTORIALS

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Really. Just how dna is replicated ? This is quite clear at least in principle by now. It is based on the specific interaction between A ...

MERCURY AND MERCURY POISONING - THE CONTROVERSIAL ELEMENT (THE APPLICATIONS AND DANGERS OF MERCURY)

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Virtually all metals exist as solids at room temperature. Mercury is the only metallic element that is a liquid under normal conditions. If ...
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THE SCIENTIFIC MODEL OF GAS - BASIC TUTORIALS

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Perhaps you have had the unpleasant experience of walking down the street and being accosted by the noxious smell of rotten eggs emanating f...

ORDINARY CHEMISTRY AND NUCLEAR CHEMISTRY - BASIC COMPARISON AND TUTORIALS

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An atom consists of a nucleus that is made of positively charged protons and neutral neutrons, and electrons surrounding it, as we outlined ...

SURFACE LAYERS CHARACTERIZATION METHODS BASIC AND TUTORIALS

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Numerous surface analytical techniques that can be used for the characterization of surface layers are commercially available (Buckley, 1981...

ISOTOPES OF HYDROGEN AND OXYGEN BASIC INFORMATION AND TUTORIALS

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The heaviest water must fall first. Aristotle In ordinary natural water the hydrogen and oxygen each consist of three different isotopic f...

SOLVENTS FOR COTTON BASIC INFORMATION AND TUTORIALS

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Cotton Solvents What can be used as solvents for cotton? Cellulose is s oluble only in unusual and com plex s olvent systems. Solvents fo...

SYNTHETIC POLYMERS BASIC INFORMATION AND TUTORIALS

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What are synthetic polymers? A large fraction of the chemical industry worldwide is devoted to polymer manufacture, which is very importan...

ORGANIC CHEMISTRY BASIC INFORMATION AND TUTORIALS

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What is Organic Chemistry? Most carbon-containing compounds are organic chemicals and are addressed by the subject of organic chemistry. O...

LE CHATELIER'S PRINCIPLE BASIC INFORMATION AND TUTORIALS

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What is Le Chatelier’s Principle? Le Chatelier’s Principle states that when a system is in equilibrium and there is a change in one of the...

PRECAUTIONS IN HANDLING EXPLOSIVES IN LABORATORY

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How to handle explosives in laboratory? Storage The quantities of potentially explosive materials in store and in use should be strictly ...

FLASH POINT BASIC INFORMATION AND TUTORIALS

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What is flash point? The flash point represents the minimum temperature at which an ignitable mixture exists above a liquid surface. By de...