Euclid's Elements

3.3. Mulliken Atomic charges analysis Mulliken atomic charge calculation has an important physical property of the quantum chemical calculation of molecular system because of the atomic charge effect, electronic structure and more a lot of properties of molecular systems [19].The possible molecular bonding of a compound depends on the electronic charge existing on the chelating atoms [20]. The charge changes with basis set presumably occur due to polarization. The charge distribution of (C20 is…

Paragraph 1 This essay will evaluate the Haines et al. Also, the essay will discuss about how the structure of FePO4 will change at various temperature ranging from 294K to 1073K. FePO4's A cation is a transition metal, thus it is not the same as other α-quartz isotopes. FePO4' has α-quartz structure which is tetrahedral when it is at a very low temperature. Under huge pressure, FePO4's structure goes through a phenomena called β-phase which it became a more condensed octahedral structure.…

and water we drink. A substance is a kind of matter that cannot be separated into other kind of matter by any physical process. For example sugar or salt solution, air, water, water in oil. A pure substance consists of a single type of particles (Elements and Compounds).Mixtures are substances formed when different kinds of particles come together. When a substance consists of…

The purpose of the lab was to determine which unknown substances were ionic compounds, if any, using 4 different methods. This lab was to determine which of the three unknown substances (X, Y & Z) are ionic compounds and which are not ionic compounds. In conclusion unknown Y is an ionic compound and unknown X and Z are not ionic compounds. In order for a substance to be an ionic compound it must have a high melting point, it must be brittle, it must be soluble in water, it can not conduct…

the elements on the periodic table. The Disappearing Spoon focusses on the history of the Periodic Table by telling stories that show how each element affected the scientists that discovered it. For each element, Kean supplies an extensive backstory for its foundation, the common (or uncommon) uses of the element and other useful factoids about the matter. The author begins the novel with a physical description of the Periodic Table as a whole; he discusses the names of the groups of elements…

other reactants. 3.What is the name of the gas that was collected in Reaction #3? Back up your answer based on what you know about the identity of that gas and its well-known chemical properties. The gas we got was hydrogen. Hydrogen is a chemical element with the atomic number 1, and has the chemical symbol of H. It is known to be very flammable, and it is also used as a fuel source for a space shuttle’s main engine. So when the fire lit inside the tube, the hydrogen reacted and created a…

For many years helium was known as an element that might exist on the sun but unknown on the Earth. Sir William Ramsay discovered helium after treating a uranium mineral. Lockyer and Professor Edward Frankland suggested the name helium. A sample of the gas was sent to Sir William Crookes and Sir Norman Lockyer who identified helium.The name is derived from the Greek 'helios' meaning sun, as it was in the sun's corona. Helium is a gaseous chemical element,with a symbol of He. Its atomic number…

substances has the properties it does is a subject called chemistry.” Chemistry involves many things, from atoms to elements and their functions. It is a wide field of science with an extensive early and modern history. It also involves chemical reactions, and what they are. Chemistry consists of many complex processes and objects. Some of the most important parts of chemistry are atoms, elements, and properties. Atoms are the particles that make up everything, from a chair…

and Overview Elements are the substances that make up everything in the universe, known and unknown. This means that elements are what make up matter, and everything you see, hear and touch. There are 118 elements known to man, some that you may know include gold, iron and oxygen. Each of these have distinguishing qualities and they come in 3 different states of matter, solid, liquid and gas. Some of these are man-made but most have been discovered. The things that make each element have a…

The element that I choose for this project is called Strontium. Strontium is a chemical element with the symbol (Sr) and it has atomic number of 38. It is an alkaline earth metal, and is a soft white yellowish metallic element which has highly reactivity chemically. It’s properties are mostly intermediate between aand similar to those of its group neighbors calcium and barium. When it is exposed to air, the metal forms a dark oxide layer. Strontium has 38 protons, 50 neutrons, and 38 electrons.…