The number of protons in the nucleus The number of electrons in the outer energy level The number of electrons in the innermost energy level The number of neutrons in the nucleus 1 See answer c5heham8sEllab is waiting for your help. Add your answer and earn points. What three factors determine the reactivity of an element? 1: The number of valence electrons, all elements want eight, so if they have eight, non-reactive, if they have 1 or 7, highly reactive. An element’s positioning in … What subatomic particle is used to determine the reactivity of an element? The group number (1A-8A) is equal to the number of valence electrons for main group elements (except Helium). and why is zinc more reactive than iron? in group 1, all elements have one valence electron each. The valence electrons in the main group or representative elements determine chemical reactivity. 1 Answer. An atom in Group 1 has only a single valence electron. A: The period 2 element would be more reactive because the attractive force of protons is stronger when there are fewer neutrons interfering. 0. How many valence electrons there are. its boiling and melting points the shininess of its surface the number of protons it has its ability to lose electrons 2 See answers getuabera320 getuabera320 Answer: its ability to lose electron . Generally elements in Groups 1 2 and 13 to 17 tend to react to form a closed shell corresponding to the ##s^2p^6##. METALS. Answer and Explanation: a) Any element can react with other elements if it has a complete set of electrons in its outermost shell. B: The period 2 element would be more reactive because the attractive force of … … The metals at the top of the reactivity series are powerful reducing agents since they are easily oxidized. You probably have already been introduced to these schemes, at SOME degree of complexity; now the electronic scheme does rationalize to an extent elemental reactivity. And reactivity is a shell game. Chemistry. Validate how valence electrons determine the chemical reactivity of an element: give 2 examples of elements with high reactivity and justify your response. Sodium 2, 8, 1 —- Here, the outermost shell has been one one electron: one more than the completely filled shell. This tendency is called the octet rule, because the bonded atoms have eight valence electrons. To determine the position of Element X in the reactivity series. 1: The number of valence electrons, all elements want eight, so if they have eight, non-reactive, if they have 1 or 7, highly reactive. What determines the reactivity of an element? These electrons determine the chemical nature of the element. Click on element #42 … In group 8 for example, all the outermost shell electrons are completely in place. However, the number of protons in the atomic nuclei of an element determine the element's identity. Favorite Answer. Reactivity Trend in the Periodic Table . Science. Identify the element. How do you tell the reactivity of a gas element? (give only 1 answer) Go to this site and look for the electrons available in the outside shells. The electrons determine the reactivity. The organization of elements on the periodic table allows for predictions concerning reactivity. Similar Questions. the tendency of an element to loses its electron more readily increases when going down the group,that is it is more electropositive.number of filled electronic shells increases down the group,so the force of … Answers: 2 Get Other questions on the subject: Chemistry. Explanation: Just took the quiz. The elements containing only one or seven electrons in their outermost shell show greater chemical reactivity, i.e., such elements react very fast with other elements. LilXan420. In a reactivity series, the most reactive element is placed at the top and the least reactive element at the bottom. METALS. we do single replacement reactions. The most reactive kind of metallic element is a metal from Group 1 (e.g., sodium or potassium). thanks halie1442066 halie1442066 Answer: D— the ability to lose electrons. Explanation:The number of valence electrons determines an element's reactivity, or how likely the element is to react with other elements. More reactive metals have a greater tendency to lose electrons and form positive ions … Explanation: 1. The number of valence electrons is associated with the element’s reactivity. - 11243810 3: Lastly the actual overall number of electrons, because that totals to … They are the most reactive of all metals, and along with the elements in group 17, the most reactive elements. Here's how the game is played. Generally, elements in Groups 1, 2, and 13 to 17 tend to react to form a closed shell, corresponding to the electron configuration #s^2p^6#. Ask your question. the number of protons in an atom of the element the number of valence electrons in an atom of the element the number of neutrons in an atom of the element the number of protons and neutrons in an atom of the element. How can you determine the reactivity of an element has electronic configuration? Answers (2) Mcknight 12 January, 06:08. Add your answer and earn points. New questions in Chemistry. reactivity of an element depends on its valence electron.and the number of filled electron shells. In a reactivity series, the most reactive element is placed at the top and the least reactive element at the bottom. 0. All the elements are listed in the periodic table with such details as chemical symbols. Latest answer posted May 25, 2016 at 10:57:16 AM … Explanation: Alkali metals are more reactive since they are … Generally, elements in Groups 1, 2, and 13 to 17 tend to react to form a closed shell, corresponding to the electron configuration #s^2p^6#. When a comet collides with earth, it adds material to our planet and causes great damage. sodium or potassium). The chemical reactivity of an element is determine by which of the following? The valency of an element determines its reactivity. 1 Educator answer. The most reactive kind of metallic element is a metal from Group 1 (e.g., sodium or potassium). … Ask for details ; Follow Report by Dassankar7752 22.03.2019 Log in to add a comment What do you need to know? Most of the elements … answer choices . Elements in the same group have the same number of valence electrons and similar electronic configurations. Thus the periodic table is … Answer Save. These metals tarnish/corrode very easily. Steve O. Lv 7. 1 decade ago. Relevance. The elements at the top can displace elements below them from their compounds The most reactive element is placed at the top and the least reactive at the bottom. There exist various kind of reactivities, and each one of these may have different causes. The valency of an element is the number of electrons in the outermost shell of an atom. In potassium for example: it has 19 protons with a positive charge 19 electrons with a negative charge. How to determine reactivity of elements from equations? Get more help from Chegg . Which determines the reactivity of an alkali metal? These elements are located in the upper right and lower left corners of the periodic table and in certain element groups. For examples, sodium and chlorine having the follows electronic configurations are highly reactive. 2: Type of element, non-metal or metal, noble gas, halogens and alkalis. Well, its electronic structure..... You know that chemists have gone to great lengths in proposing and describing schemes to explain the electronic structure of a given element. Its row in the table. The electro positivity of the elements also reduces while moving down the reactivity series of metals. METALS The most reactive kind of metallic element is a metal from Group 1 (e.g. An element is a substance made exclusively from one type of atom and which cannot be broken down further into smaller particles by nonchemical reaction. Its atomic number. See answer Dakis is waiting for your help. What determines the general reactivity of an element ... ... :) Both highly electropositive and highly electronegative elements have a strong tendency to react. … sydniestaley sydniestaley answers. How many valence electrons does molybdenum have? ... All the other elements in group 1 are alkali metals. an element … Elements with the same number of valence electrons behave in a similar way in reactions and so are grouped together in the same column on the periodic table. Chemistry, 21.06.2019 20:00, akiib. An element is identified by the number of protons contained in the nuclei of its atoms. But this is not in elements. And reactivity is a shell game. Most elements desires to have a very stable configuration in which all their outermost shell are completely filled. The chemical properties of a group are similar because they contain same number of valence electrons and configurations. As it turns out, protons may determine the identity of an element, but electrons rule its reactivity. All electrons in the atom of any element determine the reactivity. The reducing ability of the metals grows weaker while traversing down the series. Comment; Complaint; Link; Grisel 31 August, 03:05. The reactivity series is the arrangement of elements according to their reactivity. Looking at the same nonmetal group on the periodic table, how does the reactivity of an element in period 2 compare to the reactivity of an element in period 4? chemistry. say you have Zinc, Iron, Lead, Copper and silver in order of most reactive to least, but say you have them in an equation how can you determine then? Three factors that determine the reactivity of an element, includes: * Valence electrons (electrons losing or gaining) * If the element is a metal or nonmetal * It's oxidation state * Electronegativity. This tendency is called the octet rule, because the bonded atoms have eight valence electrons. A certain element forms an ion with 54 electrons and a charge of +2. This tendency is called the because the bonded atoms have eight valence electrons. What does the amount of valance electrons determine about an element? What three factors determine the reactivity of an element? Hypothesis.
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