what elements on the periodic table have similar chemical properties?
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Elements in the same group of the periodic table have similar chemical properties. Elements can be classified as metals, metalloids, and nonmetals, or as a main-group elements, transition metals, and inner transition metals. Groups are numbered 1–18 from left to right.
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what do element in the same column in the periodic table have in common? the same number of valence electrons. what can you predict about an element from its position in the periodic table?
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Lithium (Li), sodium (Na) and potassium (K) are part of group I of the periodic table and are known as alkali metals and have similar properties.
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These properties include color, density, melting point, boiling point, and thermal and electrical conductivity. While some of these properties are due chiefly to the electronic structure of the element, others are more closely related to properties of the nucleus, e.g., mass number.
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Atoms of a given element are identical in size, mass, and other properties. Atoms of different elements differ in size, mass, and other properties. Atoms cannot be subdivided, created, or destroyed. Atoms of different elements can combine in simple whole number ratios to form chemical compounds.
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For example, iodine and tellurium should be the other way around, based on atomic weights, but Mendeleev saw that iodine was very similar to the rest of the halogens (fluorine, chlorine, bromine), and tellurium similar to the group 6 elements (oxygen, sulphur, selenium), so he swapped them over.
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All elements in a row have the same number of electron shells. Each next element in a period has one more proton and is less metallic than its predecessor. Arranged this way, groups of elements in the same column have similar chemical and physical properties, reflecting the periodic law.
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The second column on the periodic table of the chemical elements is collectively called the alkaline earth metal group: beryllium, magnesium, calcium, strontium, barium, and radium. Because the outer electron structure in all of these elements is similar, they all have somewhat similar chemical and physical properties.
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The transition metals make up the middle block of the periodic table. Like the other elements that are grouped together (alkali metals, noble gases), these metals have very similar properties. Professor Stahl and his research group work with many of the transition metals.
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As previously noted, the periodic table is arranged so that elements with similar chemical behaviors are in the same group. ... For example, the elements of Group 1 are known as the alkali metals, Group 2 are the alkaline earth metals, Group 17 are the halogens, and Group 18 are the noble gases.
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The alkali metals are a group of chemical elements from the s-block of the periodic table with similar properties: they appear silvery and can be cut with a plastic knife. Alkali metals are highly reactive at standard temperature and pressure and readily lose their outermost electron to form cations with charge +1.
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Elements in the same group have the same number of valence electrons and so interact with other elements in a similar way. They display similar physical and chemical properties. For example, the halogens (F, Cl, Br, I) all react similarly.
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['shiny.', 'silvery-white.', 'somewhat reactive metals at standard temperature and pressure.', 'readily lose their two outermost electrons to form cations with a 2+ charge.', 'low densities.', 'low melting points.', 'low boiling points.']
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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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Alkali metals share many similar properties including: They are shiny, soft, metals. They are very reactive. They all have one valence electron in the outermost shell which they seek to lose in order to have a full outer shell.
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All the atoms of an element have the same properties (assuming they are the same isotope). Some examples are iron, magnesium, gold, etc. Compounds are composed of two or more elements in a fixed ratio.
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Some properties of an element can be observed only in a collection of atoms or molecules of the element. These properties include color, density, melting point, boiling point, and thermal and electrical conductivity.