Essays Tagged: "chemical symbol"


onally found in nature, mostly all of our plutonium is produced artificially in a lab. The official chemical symbol for plutonium is Pu, coming from its first and third letters. Its atomic number is n ... th deficient hearts. Also, isotopes Pu-242 and Pu-244, which occurs naturally, are used in studying chemicals and metals.The half-life of atoms of plutonium was very important to seaborg and his assis ...

(3 pages) 38 0 3.7 Jan/1996

Subjects: Science Essays > Chemistry


found in ores, earths, rocks, and gemstones, as well as in all living organisms.Oxygen is a gaseous chemical element in Group VA of the periodic table. The chemical symbol for atomic oxygen is O, its ... minum-bearing mineral, BAUXITE (a mixture of hydrated aluminum oxides and iron oxide)..PHYSICAL AND CHEMICAL PROPERTIESThree naturally occurring isotopes of oxygen have been found: one with mass 16 (9 ...

(10 pages) 205 0 3.5 Nov/1996

Subjects: Science Essays > Chemistry

What you need to know about HYDROGEN.

Hydrogen is a tasteless, odourless, colourless gas and is one of the most important chemical elements. The hydrogen atom is simple and the smallest atom. Hydrogen consists of 1 proton, ... n, which has a positive charge, and 1 electron, which has a negative charge as well. Hydrogen has a chemical symbol H. Its atomic number is 1. Its atomic weight is 1.0079. The term hydrogen comes from ... nt of the crust's weight, ranking ninth among the elements. Most of hydrogen is combined with other chemical elements, as in water. But pockets of pure hydrogen gas can collect in underground mines an ...

(2 pages) 60 1 3.3 Nov/2002

Subjects: Science Essays > Chemistry

Aluminum. Number

king aluminum the far most abundant metal on earth. Aluminum has the atomic number thirteen and the chemical symbol Al. It has had many names over the years, including alumina, aluminium, and aluminum ... nd it was accepted, however, until 1925, aluminium was also an accepted spelling, when the American Chemical Society officially decided on the name aluminium. Aluminum is non-sparking, non-magnetic, a ...

(3 pages) 93 2 4.4 Oct/2003

Subjects: Science Essays > Chemistry

Basic Facts About Iron.

ch small concentrations in other rocks, however, that it cannot be used economically for mining.The chemical element iron is the fourth most common element in the Earth's crust and the second most abu ... iron is the fourth most common element in the Earth's crust and the second most abundant metal. Its chemical symbol, Fe, is taken from the Latin word ferrum.Metal is chemically active and is found in ...

(3 pages) 43 0 3.0 Nov/2003

Subjects: Science Essays > Environmental Science

Niobium's use in Nuclear Reactors

Niobium, with a chemical symbol of Nb, is the lustrous light gray ductile metallic element that resembles tantalum c ... lement. With an atomic number of 41, niobium combines strength, a high melting point, resistance to chemical attack, and a low neutron absorption cross-section. All of this promotes its use in the nuc ... nuclear fission reactors, due to its enormous strength, high melting point, resistance to corrosive chemicals, and low neutron absorption.Generally, niobium is incorporated into nuclear fission reacto ...

(4 pages) 18 0 4.7 Mar/2004

Subjects: Science Essays > Chemistry

Silver Essay: this is a report on silver

Number: 5Group Number: 11Origin-:The word silver derives from the Anglo-Saxon word seolfor. Silvers chemical symbol comes from the Latin word for silver, argentum.History and Uses-:Silver has been in ...

(1 pages) 4149 0 3.0 Feb/2006

Subjects: Science Essays > Chemistry


Nitrogen is a colorless, unreactive gas without any smell. The chemical symbol for Nitrogen is N. Nitrogen is kinda like a filler in our atmosphere, making up over ...

(1 pages) 905 0 0.0 Jul/2001

Subjects: Science Essays > Chemistry

Copper report

c times but has been mined for 5000 years, however it's exact discoverer is unknown. Cu is Copper's chemical symbol. It contains 29 protons/electrons (atomic number) and 35 neutrons. It's atomic weigh ...

(1 pages) 14 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry

Magnesium is a versatile element that has found its way

e basic information about magnesium can be found on the periodic table of the elements. Magnesium's chemical symbol is Mg. It has an atomic number of 12 and an atomic weight of 24.305 amu. It will mel ... ty, which is one point seven three eight g/cm3, and the electron configuration of [Ne]3s2 (Spectrum Chemicals, 2002). Magnesium was discovered in 1808 by a British chemist, S ...

(3 pages) 1706 0 0.0 Feb/2008

Subjects: Science Essays > Chemistry