elements on the periodic table are?
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The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration, and recurring chemical properties.
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Periodic Table Groups. Strictly speaking, elements can be grouped into metals and nonmetals, but traditionally there are three element groups: metals, nonmetals and metalloids.
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The columns of the periodic table are called groups. All elements in a group share the same number of valence electrons. The three broad categories of elements are metals, nonmetals, and metalloids.
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The periodic table. All the different elements are arranged in a chart called the periodic table . ... the elements are arranged in order of increasing atomic number. the horizontal rows are called periods.
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Nearly 75% of all the elements in the Periodic Table are classified as metals. Examples of metals are gold, aluminium, copper, iron, lead, silver, platinum, uranium and zinc.
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Element (Chemical Element) An element (also called a "chemical element") is a substance made up entirely of atoms having the same atomic number; that is, all of the atoms have the same number of protons. Hydrogen, helium, oxygen, nitrogen, carbon, gold, silver, lead, and uranium are well-known examples of elements.
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Location in the Periodic Table. In the periodic table, two additional rows below the main body of the table as parts of the table's sixth and seventh row (periods) are the lanthanides and the actinides.
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A particular atom will have the same number of protons and electrons and most atoms have at least as many neutrons as protons. An element is a substance that is made entirely from one type of atom. ... All known elements are arranged on a chart called the Periodic Table of Elements.
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Answer and Explanation: The man-made elements on the periodic table are: Technetium, Promethium, Astatine, Francium, as well as all those with atomic numbers above that of...
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The periodic table on the left separates elements into three groups: the metals (green in the table), nonmetals (orange), and metalloids (blue). Most elements are metals. They are usually shiny, very dense, and only melt at high temperatures.
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Helium is the second element on the periodic table. ... This group contains the noble gases, which are the most chemically inert elements on the periodic table. Each He atom has two protons and usually two neutrons and two electrons.
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The periodic table is a tabular display of the chemical elements organized on the basis of their atomic numbers, electron configurations, and chemical properties. ... Elements with the same number of valence electrons are kept together in groups, such as the halogens and the noble gases.
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About 91 of the 118 elements in the periodic table are metals; the others are nonmetals or metalloids. Some elements appear in both metallic and non-metallic forms. Now, there are 50 thousand different alloys of aluminum.
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An inner transition metal (ITM) of chemical elements on the periodic table. They are normally shown in two rows below all the other elements. They include elements 57-71, or lanthanides, and 89-103, or actinides. The lanthanides are very similar, and the actinides are all radioactive.
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There are four main groups of elements in the periodic table: main group metals, non-metals, metalloids, and transition metals (See types of elements). There are 4 blocks in the periodic table.
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In chemistry and physics, the main group elements are any of the chemical elements belonging to the s and p blocks of the periodic table. The s-block elements are group 1 (alkali metals) and group 2 (alkaline earth metals).
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The periodic table is a system for arranging the chemical elements. ... That number comes from the amount of tiny particles called protons in each atom of the element. The periodic table arranges the elements in rows and columns. In the rows, the elements are placed in order of their atomic number.