Essays Tagged: "Atomic radius"
Terminology used in Chemistry.
creases when going down the group because when going down the group the number of shells around the atomic radius increases and the outer electrons become weakly attracted by the nucleus.As you go to ... g down the group the metallic character decreases (non-metallic) character decreases down the group.Atomic radius: going down the group the atomic radius increases because the atomic radius decreases ...
Subjects: Science Essays > Chemistry
Periodicity.
found through certain periodic trends. There are four periodic trends found in the periodic table: atomic radius, ionization energy, electron affinity, and electronegativity.The first periodic trend ... ization energy, electron affinity, and electronegativity.The first periodic trend is atomic radius. Atomic radius is found in several ways. The radii of some atoms are determined by measuring the dist ...
Subjects: Science Essays > Chemistry
This essay is about the element Plutonium. It describes the history, the uses-past and future, all isotopes of this material, apperance, electron configuration, and the half life.
u". Plutonium is one of the transuranium elements in the actinide series of the Periodic Table. Its atomic number is 94. Plutonium has an atomic mass of 244 and a density of 298K. Pu melts at 914 degr ... 3, 244, 245a, 246, 247. It boils at 3505 degrees Kelvin and it has a specific heat of J/gK .13. The atomic radius is A- and the electron configuration is [Rn]7s25f6. At room temperature, plutonium app ...
Subjects: Science Essays > Chemistry
Describe and explain the periodic trends of the period 3 elements Na - Ar
periodic table, these are some of the trends shown from looking at the periodicity of the elements.Atomic radiusAn atom doesn't have a fixed radius. The radius of an atom can only be found by measuri ... by measuring the distance between the nuclei of two touching atoms, and then halving that distance. Atomic radius is measured in nm.The graph shows that atomic radius decreases across a period (from l ...
Subjects: Science Essays > Chemistry
Trends in the Periodic Table: ionisation energy, electronegativity, atomic radius, melting and boling poins
- Fluorine is the most electronegative element and when combined with caesium, will react violently.Atomic Radius- Decreases across a period because the number of positively charged protons in the nuc ... d II (Metallic bond). Moderate to high- Group IV (Covalent network solids). Very high- Group VII (Diatomic covalent). Forces between molecules are weak so it's low.- Group VIII (Monatomic gases). Only ...
Subjects: Science Essays > Chemistry
Periodic Table.
oseley. In the periodic table the elements are arranged in columns and rows according to increasing atomic number. There are 18 columns, or groups, in the standard periodic table. The periodic table u ... re are many components that go into the creation of the periodic table, such as: families, periods, atomic radii, ionization energy, and electronegativity. A Family is a group of elements with similar ...
Subjects: Science Essays > Chemistry
Chemistry Study Notes - The Periodic Table and What Its Classification of Elements Tells Us
Periodic Table HistoryJohn Newlands – arranged elements by increasing atomic mass where their properties repeasted every eight element-Mendeleev arranged the elements in ... eir properties repeasted every eight element-Mendeleev arranged the elements in order of increasing atomic mass with columns with similar properties (created first periodic table)-also predicted the e ... e he thought the undiscovered elements would go-Mosley arranged the elements in order of increasing atomic number rather than increasing atomic mass and the problems with the order of the elements in ...
Subjects: Science Essays > Chemistry
Formal Lab Report Rates of Reaction Alkali Metals and Alkaline Earth Metals
readily fused and volatilized with their melting and boiling points becoming lower with increasing atomic mass. They are the strongest electropositive metals.” (Kerrod, R. 2009) These elements r ... left to right in the periodic table.” (The Shodor Education Foundation, Inc. 2000) The IE and atomic radius increase in opposite directions. This makes sense because as the atom gets smaller, th ...
Subjects: Science Essays > Chemistry