what does an element do if it is reactive
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How do you which element is more reactive on a periodic table? Best Answer: Generally, the elements become more reactive as you move down and to the left (in a diagonal line). As you move down, the outer electron shells are positioned further away from the positive nucleus, with the electrostatic force holding the element together growing weaker (due to increased distance).
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Why are alkaline metals and halogens reactive? Alkaline and halogens are reactive because usually they are attracted to each other. Why? Because halogens have seven valence electrons, or electrons in their outermost shell, … while alkaline metals only have one valence electron. An example of a halogen is florine and chlorine.
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Activity Series of Metals: Predicting Reactivity Both metals react with the hydrogen ions, but magnesium metal can also displace zinc ions in solution by the reaction: Mg(s) + Zn 2+ → Zn(s) + Mg 2+ This shows magnesium is more reactive than zinc and both metals are more reactive than hydrogen.
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- Obviously, sodium is an extremely reactive metal. When sodium comes into contact with water, it displaces hydrogen gas as follows: 2 Na(s) + 2H 2 O() 2 NaOH(aq) + H 2 (g). This is a dangerous reaction. If the sodium gets hot enough, the hydrogen jets can ignite and burn. That's what caused the sparks you saw. Burning hydrogen makes the temperature rise even faster.
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Alkali Metals Alkali Metals. Group I of the Periodic Table is composed of highly reactive metals. They react vigorously with water to produce hydroxides and release hydrogen. Even in air they react quickly to cover their surfaces with oxides. In nature they are found in ionic compounds, but never in the pure state. Their chemical activity increases as you move downward through the periods from Li to Na to K, etc.
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Reactive Metal The next four metals, following the list from magnesium to chromium, are regarded as active metals that that can form a reaction with hot water or steam in order to produce hydrogen gas and oxides. All oxides produced under the first two metal groups can resist hydrogen ion reduction.
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The Reactivity Series of Metals The Most Reactive and Least Reactive Metals. 1  The higher the metal in the series, the more reactive it is i.e., its reaction is fast and more exothermic. 2  This also implies that the reverse reaction becomes more difficult i.e., the more reactive a metal, the more difficult it is to extract from its ore.
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Group 0 Elements Group I Elements. The elements in this group have one electron in their outer electronic shell. Thus, each element in this group has a tendency to lose a single electron, to form a singly charged positive ion, which has the stable electronic configuration of its neighbouring Nobel Gas element in the periodic table. The elements in the group are chemically reactive.
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The Reactivity Series of Metals The higher the metal in the series, the more reactive it is i.e., its reaction is fast and more exothermic. This also implies that the reverse reaction becomes more difficult i.e., the more reactive a metal, the more difficult it is to extract from its ore. The metal is also more susceptible to corrosion with oxygen and water.
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Why are alkaline metals and halogens reactive? Alkaline metals are reactive because they contain one electron in their outer shell. Halogens are reactive because they contain seven electrons in their outer shell. The closer the number is to one or seven, the more reactive the element is. Elements with eight electrons in their outer shell show little or no reactivity.
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How Elements Form Compounds In this video excerpt from NOVA's Hunting the Elements, New York Times technology columnist David Pogue investigates chemical reactions involving sodium. Find out how the electron configuration of sodium, an alkali metal, makes it a highly reactive element.
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- The least reactive elements in the periodic table are the n … oble gases or sometimes the inert gases. These are the elements of Group 18, and they have full valence shells. They are not interested in loaning out or borrowning electrons, and are very stable.
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reactive Definition of reactive for English Language Learners. : 1  done in response to a problem or situation : reacting to problems when they occur instead of doing something to prevent them. 2  chemistry : tending to change into something else when mixed with another substance.
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Why are alkali metals very reactive? 2.5k Views. Alkali metals are known for being some of the most reactive metals. This is due in part to their larger atomic radii and low ionization energies. They tend to donate their electrons in reactions and often have an oxidation state of +1. These metals are characterized as being extremely soft and silvery in color.
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- The alkaline earth family is the second most reactive group, and it's elements can't be found free in nature. They are called alkaline earth metals because they form alkaline solutions, hydroxides, when they react with water.This term Alkaline means that the solution has a pH greater than seven and is basic. Thus, the alkaline earth metals form very basic solutions and are excellent reducing agents.he alkaline earth family is the second most reactive group, and it's elements can't be found free in nature. They are called alkaline earth metals because they form alkaline solutions, hydroxides, when they react with water.
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Which Is The Most Reactive Element In The Periodic Table? Fluorine is identified as the most electronegative element in the periodic table, making it the strongest reducing agent. It is the most reactive non-metal. Advertisement
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Halogens on the Right You will often find them bonding with metals and elements from Group One of the periodic table. The elements in the column on the left each have one electron that they like to donate. We've just told you how reactive the halogens are. Not all halogens react with the same intensity or enthusiasm. Fluorine is the most reactive and combines with most elements from around the periodic table.
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What Makes an Element Reactive? Meet Theo Gray, chemist and author, who helps David explore how the electron configuration of an atom affects its ability to combine with other atoms. Discover why noble gases are not reactive and why halogens and alkali metals are highly reactive.
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What does the period tell us on the periodic table? 1 Sodium is very reactive but argon is very stable as it is a noble gas) ∴ tells us about the reactivity.  It tells us the number of shells there are for each element (E.g. Magnesium has 3 shells [2.8.2], ∴it is in the 3rd period)
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Why are alkali metals very reactive? Alkali metals are known for being some of the most reactive metals. This is due in part to their larger atomic radii and low ionization energies. They tend to donate their electrons in reactions and often have an oxidation state of +1. These metals are characterized as being extremely soft and silvery in color.
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- 1 A brief note on some of the uses of reactive metals and their compounds relating to this page: 2  Many of the metals give bright flame colours when burnt in air, and the same colours are seen when a compound of the metal is heated strongly in a bunsen flame e.g. calcium/lithium give red, sodium yellow.
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What Is the Most Reactive Group of Metals? The most reactive group of metals on the periodic table are the alkali metals. These metals are so reactive that they are not found naturally by themselves; they are found in nature as parts of... The most reactive group of metals on the periodic table are the alkali metals.
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What Is the Most Reactive Group of Metals? Quick Answer. The most reactive group of metals on the periodic table are the alkali metals. These metals are so reactive that they are not found naturally by themselves; they are found in nature as parts of compounds. The alkali metals consist of the elements lithium, sodium, potassium, rubidium, cesium and francium. These elements have a single electron in their outermost electron shells. To become more stable, atoms want to keep eight electrons in these outermost shells.
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What Is the Most Reactive Metal in the Periodic Table? A: The most reactive metal in the periodic table is francium. Francium belongs to the alkali metals, a group on the periodic table whose members are all highly reactive. These metals are highly reactive because they all have only one valence electron.
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Atom They are less reactive because they have 2 electrons in the outer shell of the atoms and they like to be full and the alkali metals only have 1 electron in the outer shell of … the atom, and it is easyer to give away 1 electron than 2 so they are more reactive than other elements.lkali metals and alkaline earth metals have 1 and 2 valence electrons respectively. If they lose these electrons, they will get the electronic configuration of the nearest no … ble gas (stable octet configuration) and hence they are very reactive.