what is a periodic table used for explanation for kids
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Periodic Table of Elements The periodic table is the most important chemistry reference there is. It arranges all the known elements in an informative array. Elements are arranged left to right and top to bottom in order of increasing atomic number. Order generally coincides with increasing atomic mass.
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Elements for Kids Elements for Kids. Phosphorus. Phosphorus is the second element in the fifteenth column of the period table. It is classified as a nonmetal. Phosphorus atoms have 15 electrons and 15 protons with 5 valence electrons in the outer shell. Phosphorus is a highly reactive element and, as a result, is never found on Earth as a free element.
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Periodic table A vertical column in the periodic table. Members of a group typically have similar properties and electron configurations in their outer shell. Period. A horizontal row in the periodic table. The atomic number of each element increases by one, reading from left to right. Block. Elements are organised into blocks by the orbital type in which the outer electrons are found. These blocks are named for the characteristic spectra they produce: sharp (s), principal (p), diffuse (d), and fundamental (f).
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- Key to the Periodic Table Elements are organized on the table according to their atomic number, usually found near the top of the square. The atomic number refers to how many protons an atom of that element has. For instance, hydrogen has 1 proton, so it’s atomic number is 1. The atomic number is unique to that element.
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The Periodic Chart of Table of the Elements THE PERIODIC CHART OR TABLE OF THE ELEMENTS. The Periodic Chart of the Elements is just a way to arrange the elements to show a large amount of information and organization. As you read across the chart from right to left, a line of elements is a Period. As you read down the chart from top to bottom, a line of elements is a Group or Family.
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Periodic Table Why is the periodic table such a useful tool for chemists? Atoms in the same group on the periodic table tend to have similar physical and chemical properties. This is because they have the same number of electrons in their outer energy levels. Scientists can use this information to predict how atoms will react with each other.
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- Elements for Kids. The nonmetals are a group of elements in the periodic table. They are located to the right of the metalloids and to the left of the halogens. These elements are often referred to as other nonmetals as the halogens and noble gases are also nonmetals.
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The Periodic Chart of Table of the Elements The Periodic Chart of Table of the Elements Overview. The Periodic Chart of the Elements is just a way to arrange the elements to show a large amount of information and organization. As you read across the chart from right to left, a line of elements is a Period. As you read down the chart from top to bottom, a line of elements is a Group or Family.
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Periodic table The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties. The table also shows four rectangular blocks: s-, p-d- and f-block.he periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties. The table also shows four rectangular blocks: s-, p-d- and f-block.
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Periodic table In the periodic table the elements are arranged into periods and groups. A row of elements across the table is called a period. Each period has a number: from 1 to 7. Period 1 has only 2 elements in it: hydrogen and helium.Period 2 and Period 3 both have 8 elements.Other periods are longer. row of elements across the table is called a period. Each period has a number: from 1 to 7. Period 1 has only 2 elements in it: hydrogen and helium. Period 2 and Period 3 both have 8 elements.
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- 102. No. [259.10]. The periodic table is a table of the chemical elements in which the elements are arranged by order of atomic number in such a way that the periodic properties (chemical periodicity) of the elements are made clear.02. No. [259.10]. The periodic table is a table of the chemical elements in which the elements are arranged by order of atomic number in such a way that the periodic properties (chemical periodicity) of the elements are made clear.
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Chemistry Lab Test 2 No. [259.10]. The periodic table is a table of the chemical elements in which the elements are arranged by order of atomic number in such a way that the periodic properties (chemical periodicity) of the elements are made clear.
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- The Periodic Table is a tabular layout of elements with their name, symbol, atomic mass, oxidation state, isotopes & other properties based on their atomic number. The Periodic Table is a tabular layout of elements with their name, symbol, atomic mass, oxidation state, isotopes & other properties based on their atomic number.
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- 16Dec41. Japanese Pearl Harbor Attack Force detaches carriers Hiryu and Soryu, heavy cruisers Tone and Chikuma, and two destroyers to reinforce the second attack on Wake Island. 21Dec41. Planes from carriers Soryu and Hiryu bomb Wake Island. 22Dec41.
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- Six groups have names as well as numbers: for example, group 17 elements are the halogens; and group 18, the noble gases. The periodic table can be used to derive relationships between the properties of the elements, and predict the properties of new elements yet to be discovered or synthesized.
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Glossary of physics Elements are presented in order of increasing atomic number.   The periodic table of the elements is a table that showcases the elements, their symbol, atomic mass, atomic number (also number of protons), and whether they are solid/gas/liquid (at room temperature) and metal/metalloid/non-metal.
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- Six groups (columns) have names as well as numbers: for example, group 17 elements are the halogens; and group 18, the noble gases. The periodic table can be used to derive relationships between the properties of the elements, and predict the properties of new elements yet to be discovered or synthesized.
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Periodic Table of the Elements The modern periodic table is a chart containing the elements arranged in order of increasing atomic number. A vertical column, called a group, contains elements with similar properties. A horizontal row is called a period. The atomic number of the elements in a period increases from left to right along the row. Before the development of the modern periodic table, there were other attempts to arrange the elements in a useful way. For example, Döbereiner arranged groups of three elements with similar properties into ‘triads'. Newlands and Mendeleev arranged the elements in order of increasing relative atomic mass.
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Periodic table The periodic table of the chemical elements is a list of known atoms. In the table, the elements are placed in the order of their atomic numbers starting with the lowest number. The atomic number of an element is the same as the number of protons in that particular atom. In the periodic table the elements are arranged into periods and groups. A row of elements across the table is called a period. Each period has a number: from 1 to 7.
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- Periodic Table Review. 1  The vertical columns on the periodic table are called groups/families. 2  The horizontal rows on the periodic table are called periods. 3  Most of the elements in the periodic table are classified as metals. 4  The elements that touch the zigzag line are classified as metalloids.
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Periodic table periodic table. n. 1. (Chemistry) a table of the elements, arranged in order of increasing atomic number, based on the periodic law. Elements having similar chemical properties and electronic structures appear in vertical columns (groups). (ˈpɪər iˈɒd ɪk, ˌpɪər-). n.
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- The periodic table is a tabular arrangement of the chemical elements, ordered by their atomic number (number of protons in the nucleus), electron configurations, and recurring chemical properties.ix groups (columns) have names as well as numbers: for example, group 17 elements are the halogens; and group 18, the noble gases. The periodic table can be used to derive relationships between the properties of the elements, and predict the properties of new elements yet to be discovered or synthesized.
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The Periodic Table 1 The atomic number is the large number at the top of the box for a particular element. 2  Groups run vertically down the table and all elements in a particular group have the same number of electrons in their outer shell, so they behave in similar ways. 3  The first group, the Alkali metals, have one outer shell electron.
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Periodic Table and Trends Review The table is also arranged in vertical columns called “groups” or “families” and horizontal rows called “periods.” Each arrangement is significant. The elements in each vertical column or group have similar properties. Group 1 elements all have one electron in their outer shells (valence electron). This gives them similar properties. Group 2 elements all have 2 electrons (valence electrons) in their outer shells. This also gives them similar properties.
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History of the periodic table The periodic table is an arrangement of the chemical elements, organized on the basis of their atomic numbers, electron configurations and recurring chemical properties.Elements are presented in order of increasing atomic number.he history of the periodic table is also a history of the discovery of the chemical elements. The first person in history to discover a new element was Hennig Brand, a bankrupt German merchant.
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Elements for Kids 1 Silicon. 2  Boron. 3  Germanium. 4  Arsenic. 5  Antimony. 6  Tellurium. 7  Unlike other families of elements such as the noble gases, alkali metals, and halogens, the metalloids form a diagonal line on the periodic table rather than a vertical line. Silicon. 2  Boron. 3  Germanium. 4  Arsenic. 5  Antimony. 6  Tellurium. 7  Unlike other families of elements such as the noble gases, alkali metals, and halogens, the metalloids form a diagonal line on the periodic table rather than a vertical line.