General Chemistry Chapters 19, 21, 22 Essay

New sciences have also contributed to technology, as in the theoretical preparation for the invention of the steam engine. In the 20th century, innovations in semiconductor technology increased the performance and decreased the cost of electronic materials and devices by a factor of a million, an achievement unparalleled in the history of any technology.”

commonly used to amplify current. A small current at its base controls a larger current at

I will be doing this experiment to understand density of water compared to the volume of an object. D=m/v=mass/volume

Conductor – conductor is an object or type of material that allows the flow of electrical current in one or more directions. The electrons move easily to the other side, away from the object

4. What are the benefits of using a light bulb as an indication of conductivity? What are the disadvantages? The benefits are: it acts as a confident and direct way of determining whether a solution should be classified as strong, weak, or non-electrolyte. A strong light would indicate a strong electrolyte. A dim light indicates a weak electrolyte, and no light indicates a non-electrolyte. However, the disadvantages are the lack of accuracy in each reading, and conclusions that aren’t necessarily precise. Each reading displays a different level of light for each bulb. Therefore, conductivity

In the story “Conducting Solutions”, it explains electric currents, and how energy moves through different kinds of metals and solutions. It also

The Photoelectric effect a.k.a. Photo ionization is the emission of electrons such other free carriers when light is shone onto a material.

In the video "Hands On Science with Squishy Circuits" expands to us how some objects can be used to transfer energy from one thing to another this process is called conducting. For example, the scientist

Creating temperatures so low allows for an unimpeded path for electrons traveling through the metal to move along which in turn creates an efficient medium of transportation.

Heating system. It uses metallic element wires. The advantage of this system is that they can be installed into woven or knitted materials for clothing application, not to mention insoles. Such thin element wires have low thermal inertia so that they warm up rapidly and can be thermostatically controlled. (Scott, 1988)

Ion implantation is a materials engineering operation where ions of a material are accelerated in an electric field and impacted into a solid. Ion implantation can also be referred to as a technique used to deposit precise quantities of n-type and p-type dopants or impurities into a semiconductor at a low temperature. Ion implantation alters the physical, chemical, electronic properties of a material by forcibly impacting different types of ions into the material.

These are in the form of nanotubes and nanofibres. They have good overall composition, morphological traits, as well as strong physical and electrical properties.

The blocking diode is a helpful tool for limiting the direction energy can flow through a wire to just one direction. It uses a semiconductor P/N junction achieve this behavior.

Now we will move onto other materials that are involved with electronics. The next group of materials that will be discussed are insulators. An insulator is a material that does not conduct electricity at all but will resist or stop it from traveling further. An insulating atom has eight electrons in its valance shell which makes this shell complete. Eight is the most electrons that any atoms can have in their valance shell this is why these are called insulators, no more electrons can fit in the valance shell of these atoms.

Transistor is a semiconductor device which is composed of at least three terminals and is mainly used to amplify, switch electronic signals and electrical power. It is the fundament and inevitable part of modern