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Topic: Periodic table group

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Period 2 element

Group 10 element

Group 15 element

Periodic table period

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Period 1 element

Group 4 element

Group 5 element

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Group 3 element

Group 12 element

Periodic table (standard)

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	Chemistry - Periodic table
		The periodic table of the chemical elements, also called the Mendeleev periodic table, is a tabular display of the known chemical elements.
		A group is a vertical column in the periodic table of the elements.
		The original table was created without a knowledge of the inner structure of atoms: if one orders the elements by atomic mass, and then plots certain other properties against atomic mass, one sees an undulation or periodicity to these properties as a function of atomic mass.
	www.chemistrydaily.com /chemistry/Periodic_table (862 words)

	Kids.Net.Au - Encyclopedia > Periodic table group (Site not responding. Last check: )
		A periodic table group is a vertical column in the periodic table of the elements.
		The modern explanation of the pattern of the periodic table is that the elements in a group have similar configurations of the outermost electron shells of their atoms: as most chemical properties are dominated by outer electron interactions, this tends to give elements in the same group similar physical and chemical properties.
		Group numbers There are three ways of numbering the groups of the periodic table, one using Arabic numerals and the other two using Roman numerals.
	www.kids.net.au /encyclopedia-wiki/pe/Periodic_table_group (366 words)

	Periodic table group Information
		A periodic table group is a vertical column in the periodic table of the chemical elements.
		The modern explanation of the pattern of the periodic table is that the elements in a group have similar (conch) configurations of the outermost electron shells of their atoms: as most chemical properties are dominated by outer electron interactions, this tends to give elements in the same group similar physical and chemical properties.
		There are three ways of numbering the groups of the periodic table, one using Hindu-Arabic numerals and the other two using Roman numerals.
	www.bookrags.com /Periodic_table_group (453 words)

	Periodic Table - Search View - MSN Encarta
		Periodic Table, table of the chemical elements arranged to illustrate patterns of recurring chemical and physical properties.
		Group 1 of the periodic table, for example, contains a number of soft metals, all of which react vigorously with water to form hydrogen gas.
		The periodic table has been published in various shapes and sizes, but the most commonly used modern form begins with a column of group 1 metals on the left-hand side, followed by a column of group 2 alkaline earth metals.
	encarta.msn.com /text_761586387__1/Periodic_Table.html (1213 words)

	Chemical series - Wikipedia, the free encyclopedia
		A chemical series is a group of chemical elements whose physical and chemical characteristics vary progressively from one end of the series to another.
		Chemical series were discovered before the creation of the periodic table of the chemical elements, which was created to try to organise the elements according to their chemical properties.
		Several chemical series correspond exactly to periodic table groups: this is not a coincidence, the physical properties that group them arise from the same atomic orbital configurations that place them in the same group in the periodic table.
	en.wikipedia.org /wiki/Periodic_table_series (215 words)

	CONK! Encyclopedia: Periodic_table_group (Site not responding. Last check: )
		A periodic table group is a vertical column in the periodic table of the chemical elements.
		The modern explanation of the pattern of the periodic table is that the elements in a group have similar configurations of the outermost electron shells of their atoms: as most chemical properties are dominated by outer electron interactions, this tends to give elements in the same group similar physical and chemical properties.
		The Roman numeral names are the original traditional names of the groups; the Arabic numeral names are those recommended by the International Union of Pure and Applied Chemistry (IUPAC) to replace the old names in an attempt to reduce the confusion generated by the two older, but mutually confusing, schemes.
	www.conk.com /search/encyclopedia.cgi?q=Periodic_table_group (442 words)

	Kids.Net.Au - Encyclopedia > Periodic table (Site not responding. Last check: )
		The periodic table of the chemical elements is a display of the known chemical elements, arranged by electron structure so that many chemical properties vary regularly across the table.
		The original table was created without a knowledge of the inner structure of atoms: if one orders the elements by atomic mass, and then plots certain other properties against atomic mass, one sees an undulation or periodicity to these properties as a function of atomic mass.
		Despite their dramatic differences in mass within the group, their allotropes have very similar properties: They are all highly corrosive (meaning they combine readily with metals to form metal halide[?] salts); chlorine and fluorine are gases, while bromine is a very low-boiling liquid; chlorine and bromine at least are highly colored.
	www.kids.net.au /encyclopedia-wiki/pe/Periodic_table (541 words)

	Highbeam Encyclopedia - Search Results for Periodic table group
		In the periodic table the elements are arranged in columns and rows according to increasing atomic number (see the table entitled Periodic Table).
		The metallic transition elements are arranged in the middle of the table between groups II and III.
		Such an arrangement in the form of a table in which the groupings of elements having similar properties are easily identified is called the...
	www.encyclopedia.com /SearchResults.aspx?Q=Periodic+table+group (1448 words)

	PERIODICITY (THE PERIODIC TABLE)
		Describe trends of the various properties in the Periodic Table.
		Describe the idea that the periodicity of the elements is probably the most important unifying principle in chemistry.
		Predict physical and chemical properties of elements by using the Periodic Table.
	www.iit.edu /~smile/ch8612.html (437 words)

	Periodic Table - MSN Encarta
		Helium, which does not react with other elements, is usually placed in group 18, which houses the noble gases.
		Scientists who group the elements based primarily on the number of outer-shell electrons place helium with elements such as magnesium, calcium, and barium among the alkaline earth metals of group 2.
		A number of chemists contributed to the development of the periodic table during the 19th century; however, Mendeleyev is regarded as the primary discoverer.
	encarta.msn.com /encyclopedia_761586387/Periodic_Table.html (1194 words)

	Periodic table - Simple English Wikipedia
		In the table, elements are in increasing order of their atomic numbers.
		The elements are arranged in periods and groups of the Periodic Table.
		The period number of an element is equal to the number of electrons in the outermost shell.
	simple.wikipedia.org /wiki/Periodic_table (395 words)

	Periodic Table - Model Science Software
		The 38 elements in groups 3 through 12 of the periodic table are called "transition metals." As with all metals, the transition elements are both ductile and malleable, and conduct electricity and heat.
		Non-metals are the elements in groups 14-16 of the periodic table.
		All of the rare earth metals are found in group 3 of the periodic table, and the 6th and 7th periods.
	modelscience.com /PeriodicTable.html (571 words)

	Group article - Group music band mathematics binary operation group (mathematics) - What-Means.com (Site not responding. Last check: )
		In mathematics, a group is a set together with a binary operation satisfying certain algebraic conditions.
		In astronomy, a group is a small number of galaxies (up to 50 or so) that are near each other, like the Local Group, which is the group of galaxies we live in.
		In sociology, a group involves a sub-set of a culture or of a society: see group (sociology).
	www.what-means.com /encyclopedia/Group (215 words)

	Chemistry: WebElements Periodic Table
		The periodic "law" of chemistry recognises that many properties of the chemical elements are periodic functions of their atomic number (the number of protons within the element's atomic nucleus).
		The periodic table is an arrangement of the chemical elements ordered by atomic number in columns (groups) and rows (periods) presented so as to emphasize their periodic properties.
		The groups (columns in the periodic table) are numbered 1-18.
	www.webelements.com (426 words)

	Spartanburg SC \| GoUpstate.com \| Spartanburg Herald-Journal
		A group, also known as a family, is a vertical column in the periodic table of the chemical elements.
		The modern explanation of the pattern of the periodic table is that the elements in a group have similar configurations of the outermost electron shells of their atoms: as most chemical properties are dominated by the orbital location of the outermost electron.
		Group 18 (Group 0): the noble gases or helium family/neon family
	www.goupstate.com /apps/pbcs.dll/section?category=NEWS&template=wiki&text=periodic_table_group (385 words)

	Facts about the Periodic Table
		Dimitri Mendeleev, the father and inventor, of the Periodic Table, was born on February 7, 1834 in Tobolsk, Siberia in Russia.
		Mendeleev then went further, using the remaining gaps and spaces in his periodic table, he correctly concluded that a group of yet unknown elements must exist to fill in the gaps in the Periodic Table, this was the group we now know as the lanthanides.
		Fifty years after Dimitri Mendeleev created the Periodic table, the British scientist Henry Moseley discovered that the number of protons in the nucleus of a particular type of atom was always the same.
	www.facts-about.org.uk /science-periodic-table.htm (579 words)

	Periodic Table
		The periodic table is based on periodic law which states that the physical and chemical properties of elements are functions of their atomic numbers.
		As you move down the group the electrons are in higher energy levels and are less affected by the pull of the nucleus.
		Ionization energy increases as you go across a period because as you move across the periodic table you are adding more protons to the nucleus which exert more of a pull on the electrons.
	home1.gte.net /vze4gq6z/id8.html (827 words)

	Re: Periodic Trends in the Periodic Table, Group 2
		The Periodic Table is an arrangement of all the known elements in an informative array.
		The reason why the elements are arranged as they are in the Period Table is to fit them all, with their widely diverse physical and chemical properties, into a logical pattern, if sodium is placed beneath sodium to begin another row-and so-on- it is found that the vertical lines of elements are chemically similiar.
		The period number of an element signifies the highest energy level an electron in that elements in a period increases as one traverses down the periodic table because as the energy level of the atom increases, the number of energy sub-levels per energy level increases.
	vclass.mtsac.edu:920 /chem1a/_disc8/00000033.htm (722 words)

	The Periodic Table(Page 1)
		In a revision of his table in 1871 he arranged some elements and proposed a table of eight columns, obtained by splitting each of the long periods into a period of seven elements, an eighth group containing the three central elements (such as Fe, Co, Ni), and a second period of seven elements.
		Periods 4 and 5 are long periods of 18 each, while period 6 has 32 elements, and period 7 is incomplete with only 17 elements most of which are radioactive and do not occur in nature.
		Alkali Metals are the elements in Group IA of the periodic table.
	www.ruf.rice.edu /~sandyb/Lessons/chem.html (1237 words)

	Periodic table (Site not responding. Last check: )
		A periodic table groupgroup is a vertical column in the periodic table of the elements.
		Periodic table Explanation of the structure of the periodic table
		Neutronic Periodic Table "''[http://www.theschemata.com The Schemata of the Elements]''" by Earth/matriX.
	www.infothis.com /find/Periodic_table (1166 words)

	History of the Periodic Table to the latest developments (Site not responding. Last check: )
		Mendeleyev published his periodic table and law in 1869 and forecast the properties of missing elements, and chemists began to appreciate it when the discovery of elements predicted by the table took place.
		Periodic table have always been related to the way scientists thought about the shape and structure of the atom, and has changed accordingly.
		The Periodic Law revealed important analogies among the 94 naturally occurring elements, and stimulated renewed interest in Inorganic Chemistry in the nineteenth century which has carried into the present with the creation of artificially produced, short lived elements of `atom smashers' and supercolliders of high energy physics.
	periodictable.com /pages/AAE_History.html (676 words)

	PeriodicTable (Site not responding. Last check: )
		Group 1 is found on the left side of the periodic table beginning with Lithium..
		Period: a series of elements that form a horizontal row in the periodic table.
		Period 1 is found on the left side of the periodic table beginning with Hydrogen.
	www2.ops.org /NORTH/tc/lessons/integ34/Periodic_Table.htm (138 words)

	The Periodic Table
		A necessary prerequisite to the construction of the periodic table was the discovery of the individual elements.
		In 1898, William Ramsey suggested that argon be placed into the periodic table between chlorine and potassium in a family with helium, despite the fact that argon's atomic weight was greater than that of potassium.
		Although Mendeleev's table demonstrated the periodic nature of the elements, it remained for the discoveries of scientists of the 20th Century to explain why the properties of the elements recur periodically.
	www.wou.edu /las/physci/ch412/perhist.htm (1833 words)

	CHEMTUTOR PERIODIC CHART (Site not responding. Last check: )
		The Lanthanides belong to Period 6, and the Actinides belong to Period 7.
		The diatomic gases (hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine), the Group one elements (lithium, sodium, potassium, rubidium, cesium, and francium), the Group two elements (beryllium, magnesium, calcium, strontium, barium, and radium), Group seven elements, the halogens, (fluorine, chlorine, bromine, iodine, and astatine), and the noble gases (helium, neon, argon, krypton, xenon, and radon).
		Group 3 elements, boron, aluminum, gallium, indium, and thallium, are a mixed group.
	www.chemtutor.com /perich.htm (3985 words)

	Universal Periodic Table
		Today's periodic table is arranged according to increasing atomic number and increasing atomic mass (for the most part).
		All of the elements in group 2 have 2 electrons in their outer energy level; the elements in group 13 have 3 electrons in their outer energy level; the elements in group 14 have 4 electrons in their outer energy level, etc. You might have noticed that groups 3-12 were not included in the trend.
		Group 18 is known as the noble gas or inert gas group.
	galileo.phys.virginia.edu /outreach/8thgradesol/PeriodicTable.htm (1467 words)

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