Electron

Describe the structure of an atom, including the subatomic particles, their charges, and their location. An atom is made up of subatomic particles called protons, neutrons, and electrons. The protons carry a positive charge found in the nucleus; neutrons carry no electrical charge and are also found in the nucleus. Electrons carry a negative charge and orbit around the nucleus. 2. Name five characteristics of water and relate them to the structure of water. Water has a high heat capacity Water…

in neutron number and therefore atomic weight classify these atoms as isotopes of the element Hydrogen. An ion is an atom with a charge due to changes in the number of electrons (negatively charged particles) in the atom. Ions that have lost electrons have a positive charge, and are called cations. Ions that have gained electrons have a negative charge, and are known as anions. Examples of…

Radiation is formed by the instability of an atom either having too many or too few of and type of particles within an atom 's.These type of particles can be either having too many or too few electrons, neutrons or protons and you have a radioactive element.The element becomes unstable as each part holds another part on so having too few means that the link may be too weak to hold it together then having too many means there pushing others off…

The noble gases are the group of elements which are like no other elements. The noble gases are the elements grouped as the last group, group 18. These elements, from smallest to greatest atomic mass, are Helium, Neon, Argon, Krypton, Xenon, and Radon. Group 18 wasn't always called the noble gases. this group used to be called the inert gassses. They changed the name of thisi group because they are not always inert, or chemically inactive. the first element in this group is the element…

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. The electron configuration of Strontium is 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(10) 4s^(2) 4p^(6) 5s^(2) or [Kr] 5s^(2). Strontium has an mass number of 87. Strontium can be a naturally element that can be found in rocks, soil, dust, coal,…

Fig.7, shows that, the insulator behavior of the PVA for pure PVA. But, with increasing the time of reaction there is an improvement in the electrical conductivity of the PVA-Ag nanocomposite films. Fig.7 shows that, the (I–V) characteristic of the samples, and the inset of Fig. 7 shows the relation between the conductivity and time of reaction. Then, the dc conductivity was calculated at the (voltage = 10 V) using the relation. (S/cm) Where (d) is the sample thickness, (A) is the area of…

negative magnetic source was near it. From the classical physics of Newtonian physics, he figured that opposites attract and likes repel. Since the cathode rays followed the similar approach, hence they were determined to be negatively charged or electrons. Therefore, using previously held theories, further discoveries can be made and new theories can supersede…

Figure1.3: Band gap vs lattice constants diagram for hexagonal nitride compounds. The typical of measured band gap bowing for ternary alloys AlGaN and InGaN is shown by the solid line track[21]. 1.4. Unique Material properties of Gallium Nitride: The unique material properties of GaN engraves it as an prominent semiconductor material for many electronic and optoelectronic devices[18]. • The wide and direct energy band gap sorts GaN as an appropriate materials for device fabrication in the field…

Meghnad Saha’s Ionization Theory. This theory states that in matter atoms normally collide, when the temperature is high the atoms in matter collide more frequently and quickly, so much that eventually an electron is stripped from it’s atom and causes it to become polarized. Since the electron is taken away the atom has a different chemical signature, resulting in these ions absorbing different wavelengths than their parent atoms do. Cecilia Payne hypothesized that since higher temperature means…

orbitals while azulene has one of +6.904. The low energy difference of naphthalene FMOs would suggest that its HOMO and LUMO orbitals have relatively similar distributions of electron density among odd and even numbered carbons. Conversely, the high energy difference of azulene FMOs imply that there are disparate regions of electron density in the HOMO and LUMO orbitals of azulene. This is represented by Figure 2, in which odd-numbered carbons in…