Essays Tagged: "Electron"

Expansion on the Recent Discoveries Concerning Nitric Oxide

ith nitrous oxide, the latter of which is commonly known as laughing gas. Nitric oxide has one more electron than the anesthetic. NO is not soluble in water. It is a clear gas. When NO is exposed to a ...

(5 pages) 50 0 3.8 Nov/1996

Subjects: Science Essays > Chemistry

Discovery of the electron

i did this report for my chem 1 class, its nothing special, but if you need some info on electrons, or the discovery of, then this is great. noneThe Discovery Of The ElectronThe electron wa ... J.J. Thomson in theform of cathode rays, and was the first elementary particle to beidentified. The electron is the lightest known particle whichpossesses an electric charge. Its rest mass is Meequal& ... s is Meequal> 9.1 x 10 -28 g, about 1/1836 of the mass of the proton orneutron.The charge of the electron is -e = -4.8 x 10^-10 esutrostatic unit). The sign of the electron's charge is negative byc ...

(2 pages) 40 0 3.0 Nov/1996

Subjects: Science Essays > Chemistry

The "Flip-side" of Power An essay on the conflict of power and safety in Macbeth

being measured. As a result, one could never accurately determine both position and momentum of an electron with precision. The attempt to reach one of these goals hurts the other, and a similar phen ...

(4 pages) 36 0 3.7 Nov/2002

Subjects: Literature Research Papers > European Literature > Authors > Shakespeare > Macbeth

What you need to know about HYDROGEN.

is simple and the smallest atom. Hydrogen consists of 1 proton, which has a positive charge, and 1 electron, which has a negative charge as well. Hydrogen has a chemical symbol H. Its atomic number i ...

(2 pages) 60 1 3.3 Nov/2002

Subjects: Science Essays > Chemistry

It is an oral presintation on drumming and how the drum was made.

s proven that we live in a rhythm in which everything in the universe moves in rhythms - every tiny electron, every tree, every planet and every star.Pre-industrialized societies have always had some ...

(4 pages) 33 0 4.3 Nov/2003

Subjects: Art Essays > Music History & Studies

The following is a lab report on fermentation and its inhibitors.

compounds can be attacked by bacteria. In environments devoid of oxygen (or othersuitable inorganic electron accepter), this degradation involves fermentation.Despite the many methods bacteria employ ... .1.) NAD+ is almost always reduced to NADHMetabolism involves the oxidation of the substrate. These electrons are removed from theorganic molecule and most often given to NAD.Figure 1 - oxidation of g ...

(4 pages) 100 0 5.0 Nov/2003

Subjects: Science Essays > Biology

Antimatter

gy. Antimatter's existence was first predicted in 1930 when Paul Dirac's theory about the motion of electrons in magnetic and electric fields required the existence of another type of particle, an ele ... uired the existence of another type of particle, an electron with exactly the same mass as a normal electron but a positive charge: the positron; antimatter.Firstly, where does antimatter originate? T ...

(3 pages) 59 1 4.5 Jan/2004

Subjects: Science Essays > Chemistry

Describing the process of Electorlysis and how the number of coloumbs can verify the amount of current given off

A)t = time (seconds)*The Faraday constant, F, is the quantity of electricity carried by one mole of electrons.F = Avogadro's Number x charge on electron in coulombsF = 6.022 x 1023 mol-1 x 1.602192 x ... of metal can be calculated: Q = n(e) x FQ = quantity of electricity in coulombs (C)n(e) = moles of electronsF = Faraday constant = 96, 500 C mol-1*Electrical Energy, E, can be calculated: E = Q x VE ...

(3 pages) 30 1 5.0 Jan/2004

Subjects: Science Essays

Resistance in a wire- good essay.

. It is measured in volts. Potential difference is caused by the unbalanced state of atoms. When an electron leaves the orbit of an atom it leaves a positive charge, this positive charge will attract ... are negatively charged to make it a balanced atom. To have current flow, you must have a source of electrons. If they have a path to flow through, they will be attracted to the ions. Voltage is the d ...

(5 pages) 52 0 0.0 Feb/2004

Subjects: Science Essays > Physics

A Basic Understanding of Quantum Theory

tanding of Quantum Theory When most people think of atoms they picture the common picture of electrons spinning around a nucleus. In spite of the popularity of the image, according to classic N ... s known as quantum physics. One thing that is true about the common picture of atoms is that electrons circle around the nucleus. They each have a certain orbit that they stay in. When an elect ...

(2 pages) 68 1 4.7 Feb/2004

Subjects: Science Essays > Physics

Metabolic Process notes These are just notes for

called atoms. Therefore, we need to consider the chemistry of life or biochemistry.Chemical Bonding-electrons occupy various positions (distances) from the nucleus of an atom, known as energy levels.- ... charged nucleus.-the outermost orbital or energy levels are termed the valence orbital; the valence electrons ** the chemical behaviour of an atom is determined by the number and arrangement of the va ...

(3 pages) 35 0 5.0 Mar/2004

Subjects: Science Essays > Biology > Human Biology

The Scientific Method

does have the factor being testedTypes of Microscopes:1. light= the ones most used in classrooms2. electron= uses a beam of electrons instead of light; approximately 200,000 times stronger than light ...

(1 pages) 125 0 2.0 Apr/2004

Subjects: Science Essays

Element: Arsenic essay written as auto-biography. Simple.

talloid which means that I am a semiconductor. This means that I can carry an electrical current by electron propagation or hole propagation. I can be yellow grey or black. I am also evenly distribute ...

(1 pages) 69 2 4.3 Apr/2004

Subjects: Science Essays > Chemistry

The Atomic Bomb

e sciencists use theories and tests to know that they are there. Atoms are made up of three things; electrons, proton(s),and neutrons. If you combined proton(s) and neutrons you get the nucleus of the ... ou get the nucleus of the atom. Then the nucleus is surrounded by a shell. That shell is made by an electron(s) spinning around the nucleus so fast it makes that shell. Each shell can only hold a cert ...

(9 pages) 79 0 5.0 Apr/2004

Subjects: History Term Papers > North American History

Physics 10 Notes on Static Electricity.

Static Electricity Bohr Model Electrons move External Less massive compared to protons (2000x) Charges ... ssive compared to protons (2000x) Charges Positive Objects gain (+) by loosing electrons Negative Object gain (-) by gaining electrons Coulombs Measure ... s Charges Millikan Elementary charge e = 1.6 x 10 -19 smallest found in electron / proton Total Charge Q = ne n is charge (# electrons / protons) ...

(1 pages) 15 0 3.0 Sep/2004

Subjects: Science Essays > Physics

Analysis of Commercial Vitamin C Tablets. (Ascorbic acid content in one tablet)

on. In which oxidizing agent and reducing agent are mixed and oxidize/reduce each other. One losses electron(s) and increase in oxidation number when is oxidized, and vice versa.In order to find out c ... s in total can be used, so there are only 3 times in excess for mistakes.Apparatus:Weighing bottle, electronic scale, beaker, glass rod, 250cm3 volumetric flask, filter funnel, dropper, pipette, white ...

(5 pages) 62 1 3.0 Dec/2004

Subjects: Science Essays > Chemistry

The Periodicity of Hydrides in Groups 4 to 7

ropositive metal. The hydrogen atoms form ionic bonds with an electropositive metal by acquiring an electron from the metal to complete its S-shell. Covalent hydrides however consist of a covalent bon ... mplete its S-shell. Covalent hydrides however consist of a covalent bond between hydrogen atoms and electronegative metals (generally groups 4-7). In transitional metal hydrides, the type of bonding v ...

(3 pages) 21 0 0.0 Apr/2005

Subjects: Science Essays > Chemistry

Resistance of Wire

mb. Ordinary matter is made up of atoms which have positively charged nuclei and negatively charged electrons surrounding them. Charge is made as a multiple of the electron or proton charge.Also the r ... ors having very high resistance to the flow of charge through them.Conductor implies that the outer electrons of the atoms are loosely bound and free to move through the material. Most atoms hold on t ...

(7 pages) 30 0 1.0 Feb/2006

Subjects: Science Essays > Physics

Study notes for Chemistry test. Basic definitions and notes on group structure and chemical bonding. For year 10 these achieved a level 6+ or an A+ (The spaces are for atomic drawings).

sed of tiny particles of matter. An atom is composed of three types of matter Protons, Neutrons and electrons.Nucleus- The dense positively charged center of an atom.Proton (P+)- Located in the nucleu ... a positively charged particle called a proton.An atom has an overall positive charge when it loses electrons from its valence shell in chemical reactions.Neutron (N)- Neutrons reside in the nucleus w ...

(4 pages) 42 2 4.4 Apr/2006

Subjects: Science Essays > Chemistry

How to Control Heat Flow with a Magnet?

c field can control the flow of heat across a loop of wire. The heat is carried by quantum waves of electrons, and waves traveling around the loop overlap to bolster or limit the flow depending on the ... ts predicts in the 15 April PRL. Preliminary experiments confirm the prediction. Curiously, even as electrons shuttle heat across the little device, no electrical current flows through it.For decades, ...

(3 pages) 1263 0 3.0 Oct/2006

Subjects: Science Essays > Physics