Atom Essay Topics

RSS or Atom

Thus, Web 2. 0 elicits the participation of many people. To ensure the quality of information, inputs are standardized and regulated. This keeps the web in this perspective open for anyone. The collaboration between users is the whole point of Web 2. 0. (O’Reilly, 2005; Web 2. 0 Framework, nd) As with any terminology, definitions… View Article

Atom History

An Atom is a basic unit of matter that consists of a dense, central nucleus surrounded by a cloud of negatively charged electrons. The Atom was theorized by a man named Democritus of Abdera, Thrace in between c. a 460 BC – ca. 370 B. C. Atom is derived from the Greek word “atomos” ,… View Article

Bean Bag Isotope: Abundance and Atomic Mass Lab

A new atomic theory, in which all atoms of the same element are identical to one another and equal in mass, was proposed by the scientist Dalton. Although the theory had its flaws and was simple, it was revolutionary. Scientists became able to study the actual structure and mass of atoms after the discovery of… View Article

Laboratory Report : Flame Colors of Metals

Abstract The experiment about flame color of metals demonstrates how electrons jump into their excitedstate from their ground state as it came in contact with heat. As it return to its lower energy state,it emits the absorbed energy in the form of light. A platinum or nichrome wire was dipped into aconcentrated HCL and was… View Article

Copper Atom

1. You have been hired as a contributing author to a book about the chemical elements and your job is to describe the structure of the copper atom to an audience will little or no training in chemistry. 2. Starting with the three subatomic particles – protons, neutrons, and electrons – inform your readers about… View Article

Development of the Atomic Model

460 – 370? BC – Democritus – first theory of atom – All matter is composed of particles called atoms which can’t be subdivided – different materials had different properties because their atoms were different – atoms have different sizes, regular shape, are in constant motion, and have empty space 450 BC – Empedocles –… View Article

Atomism

Atomism is the final development of a school of thought called pluralism, which is an attempt to explain a very fundamental question, “What is the nature of the universe? ” Monism, the opposing view of pluralism, asserts that only one being, or type of being, exists, and that the variety in our everyday experience is… View Article

Infra-Red Spectroscopy of Hcl and Dcl Gas

Abstract Fourier-transform infrared spectroscopy has been very useful in helping scientists examining molecules of HCl and DCl. Because deuterium has a greater mass than hydrogen, the IR band shown for HCl is at a higher wavelength than DCl. The absorption of light in DCl was at lower frequency 1700-2200 cm-1 because D is bigger and… View Article

Certainty vs. Doubt

Some people believe that life depends on either the concepts of certainty and doubt. With certainty comes a sense of confidence. When you are certain about everything in life, you will know with absolute truth your capabilities, responsibilities, and consequences for your actions. However doubt engraves a feeling of the unknown. If you are uncertain… View Article

Lab: Ionic and Covalent Bonds

Introduction: The purpose of this experiment was to explore the properties of chemical substances that can be used to identify the types of bonds in a chemical substance using a laboratory procedure. The two types of bonds being identified were ionic and covalent. Based on a substance’s properties, how can you determine whether its bonds… View Article

Pearson Chemistry Notes

1. i. All elements are composed of tiny indivisible particles called atoms. 1. ii. Atoms of the same element are identical. The atoms of any one element are different from those of any other element 1. iii. Atoms of different elements can physically mix together or can chemically combine in simple whole-number ratios to form… View Article

Sodium-24 Analysis

1 & 2. Sodium-24 is an isotope used in medicine and the mining industry, as it is a gamma emitter. It is used for studies of electrolytes within the body, and also to locate leaks in industrial pipelines and oil well studies. 3. Half-life of Sodium-24 is 14.96 hours, and it takes a further 149.6… View Article

Determination of Quinine in Tonic Water

i. The selectivity of fluorimetry is greater than that of absorption spectrophotometry as it depends on excitation, absorption and emission spectra. As for fluorimetry, when molecule absorbs radiation and become excited, fluorimetry detects the intensity of light emitted from the molecule returns to ground state from excited state. Fluorescence is good at rigid molecules as… View Article

Student: Greenhouse Gas and Modern Invention

Nowadays in this modern era many inventions are invented in many aspects like in education, transportation, and technology to make the human life more easier. For example in transportation, nowadays everyone can go around the world by using plane even if the distance between the countries is really far. Internet is the one example of… View Article

Hydrogen Bonding Essay

Hydrogen bonding is a bonding type consisting of dipole and dispersion forces. A hydrogen bond is the attractive force between a hydrogen atom attached to a molecule and an atom of a different molecule. According to the Pauling scale of electro-negativities of the elements, it can be viewed that the three most electronegative elements in… View Article