June 21, 2015 Physical Science
The f block elements are formed of two series the Lanthanoids (or Lanthanide series) and the Actinoids (or Actinide series). They are also sometimes called rare earth elements, although many are more abundant than the platinum group of elements. Most…
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June 21, 2015 Physical Science
Nickel Symbol: Ni Atomic Number: 28 Atomic Mass: 58.6934 amu (atomic mass units) Melting Point: 1453.0 C (1726.15 K, 2647.4 F) Boiling Point: 2732.0 C (3005.15 K, 4949.6 F) Number of Protons: 28 Number of Electrons: 28 Number of Neutrons:…
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June 21, 2015 Physical Science
Every chemist must know the principles behind Nuclear Magnetic Resonance. Nuclear magnetic resonance is a technique which utilizes the properties of the nucleus of the atom, in order to decode the structure of the molecule. It is thus an important…
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June 21, 2015 Physical Science
The classroom lights dim. A spotlight shines on a lone guitar player, his hair an explosion of brown frizz, his face covered in stubble. He cranks up the amplifier, distortion filling the classroom with a static buzz. He pushes his…
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June 21, 2015 Physical Science
Performing laboratory experiments in Clinical Chemistry are methods of enhancing the understanding and retention of the principles and theories learned in the lecture portion. It is an integral part of the course. The laboratory experiments however, should be prepared properly…
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June 21, 2015 Physical Science
The definition of an organic compound is, in its most simple form, a compound that contains carbon. Organic compounds share similar traits. The most common of these traits is a carbon back bone or ring structure. This creates the main…
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June 21, 2015 Physical Science
The element Erbium is a ‘rare earth metal’ or lanthanoid; in its pure state, it is a soft and malleable silver-white metal. Its atomic number is 68; its atomic symbol is Er. It is a natural solid, having a melting…
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June 21, 2015 Physical Science
The abundance of ozone in a column of air having a diameter of one centimeter varies seasonally and with latitude. In the equatorial region of the Earth, the ozone content of the atmosphere is about 250 Dobson units (DU), where:…
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June 21, 2015 Physical Science
The term “high explosives” comes up frequently in many Hollywood movies, but the term is often misused to describe any kind of material that can be ignited and exploded. In fact, the term “high explosives”, however refer to a specific…
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June 21, 2015 Physical Science
What is the difference between bichloracetic acid and dichloroacetic acid? The short answer is that there isn’t any difference. These are two different names for the same substance. To explain the above statement a little, you would first note that…
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