to do this, use the chart listed below and record the partial pressure of the water vapor, pwater, at the temperature you recorded. Sodium is a very reactive metal; it is, in fact, second in the reactivity table of elements. Explain the reason for this change in size. Mg must lose two valence electrons to get an octet. 9) Explain how lithium and potassium follow the same pattern. Mg(s) + CuSO4(aq) → MgSO4(aq) + Cu(s) Platinum, however, is less reactive than copper and so cannot displace copper from a copper sulfate solution. The element which gets oxidised easily is more reactive than the one which is less oxidised. In general alkali metals are more reactive than the alkaline earth metals. When potassium hydroxide is the base, 2-methyl-1-butene accounts for 45% of the product mixture. the ionization energy is low for sodium when compared to magnesium We follow the reactivity series to say which one is more reactive than the other. Sodium metal is more reactive than magnesium metal because it is easier to lose electron from the 3s orbital of sodium atom than that of magnesium. My friend claimed lithium to be more reactive than potassium due to its position in the reactivity series of metals: $$\ce{Li > Cs > Rb > K > Ba > Sr > Ca > Na > Mg}$$ Then we found out that potassium reacts indeed more violently in water. Beryllium is less reactive (with regards to ease offormation of a positive ion/cation of the metal) than magnesium. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. Electron configuration of lithium is: ₃Li 1s²2s¹. The answer is Strontium or Calcium. more reactive ………………………………………………………………………………. Constructing a reactivity series, magnesium more reactive than sodium? Amina needs to get the facts right. Why is sodium more reactive than magnesium. Cancel anytime. the masses of the atoms and the neutrons are as follows: 21h = 2.0140 amu 31h = 3.01605 amu 42he = 4.002603 amu 10n = 1.008665 amu. compound MCl2 designates that M must have 2+ charges on it and it needs to be Calcium is above sodium in the activity series, and is therefore, more reactive than sodium, yet calcium reacts much more slowly with water than does sodium. True O B. "Magnesium has a very slight reaction with cold water, but burns in steam. The reason why some metals are more reactive than others is because of their tendency to form ions. Copper cannot replace Zinc as it is less reactive. A reactive metal has the ability to easily lose an electron and acquire a positive charge. 5 years ago. in case of alkali metals there is one electron in the outermost shell. 0 0. true or false 2 ... Sound waves are more easily bent than light waves. Similarly, atoms of potassium (K in the table) are larger, and so more reactive, than atoms of sodium. O A. 10) Do you think that magnesium would be more reactive or less reactive than sodium? a. it abandoned its scientific endeavors... How did the homestead act encourage people to move west? ​social organization, a subjective un... View a few ads and unblock the answer on the site. potassium is more reactive than Mg because both lie in the same group and the element potassium has more electropositivity than magnesium. "Magnesium has a very slight reaction with cold water, but burns in steam. Can someone me 1.to find atmospheric pressure, go to your local weather and find the pressure in inches. It is less reactive than its chemical analog carbon, the nonmetal directly above it in the periodic table, but more reactive than germanium, the metalloid directly below it in the table. Sodium is a more electropositive metal which means that it "hates" electrons more than magnesium therefore it needs less energy to chuck electrons than magnesium does ... Those are the main factors that explain why sodium metal is more reactive than magnesium metal, Calculate the number of moles in: 1) 6g of C 2) 48g of Mg 3) 8g of O2 4) 170g of NH3, The number of protons plus the number of neutrons is the atom called what​. Since sodium melts at a low temperature, it melts when it reacts with water. This was all done in a $100 \,\mathrm{mL}$ beaker. b. the veterans' bureau, which took bribes from the sale... How did the launch of sputnik 1 affect american perceptions of the soviet union? convert to mmhg by multiplying by 25.4. record answer in data table. Click here to get an answer to your question ️ Sodium is more reactive than magnesium. Which of the following is not equal to 46.3 meters? Alkaline metals (group 1), in this example rubidium, have lowest ionizations energy and easy remove valence electrons (one electron), they are most reactive metals. It has one valence electron which is removed easily, making it highly reactive. ​a class system in which conflict between the classes is common. The further down a group an atom is, the larger the atom is, and the more reactive the element is. © 2021 Education Expert, All rights reserved. For more information read our Terms of use & Privacy Policy, And millions of other answers 4U without ads. Explain the reactivity differences of K, Na and Ca based on their atomic . Choose all that apply. Potassium, sodium and lithium are alkali metals which belong to Group 1 of the periodic table while calcium and magnesium are the alkaline earth metals belonging to Group 2. The top metals are more reactive than the metals on the bottom. Calcium, Ca, is less reactive than sodium. Calcium is not below sodium in the activity series. This is also indicated by more negative standard electrode potential of K ( -2.925V) as compared to Na ( – 2.714 V) . Viewed 137 times 3 $\begingroup$ I reacted about $0.25 \,\mathrm{g}$ of magnesium, sodium and lithium in $20 \,\mathrm{ml}$ of $2 \,\mathrm{M} \,\ce{HCl}$ at room temperature. The purpose of test marketing is to: select one: a. assess how well various aspects of the marketing mix fit together. A very clean coil of magnesium dropped into cold water eventually gets covered in small bubbles of hydrogen which float it to the surface. Sodium is a very reactive metal; it is, in fact, second in the reactivity table of elements. use the following formula to compute the partial pressure of the butane. It takes extra energy to remove the second electron. Anonymous. Potassium metal, K, is more reactive than sodium, Na. It is used to summarize information about the reactions of metals with acids and water, single displacement reactions and the extraction of metals from their ores 1. name 2. age 3. gender 4. number of accide... ¿tienes computadora? certainty 3: Radium is extremely radioactive and resembles barium in its chemical habit. (pbutane =patmosphere - pwater) pbutane =. b. Sodium’s radioactive because it has a lesser number then Magnesium, Sodium has 1 and Magnesium is 2. a. we learn to be deviant through our interactions with others who break the rules. Electron configuration of potassium is: ₁₉K 1s²2s²2p⁶3s²3p⁶4s¹. …………………………………………………………………………………..least reactive. How reactive is sodium metal? use a calculator if needed. In fact, lithium and calcium, given the same conditions, react more slowly with water than does sodium. You will receive an answer to the email. Q2 : In what ways lithium shows similarities to magnesium in its chemical behaviour? Sodium easily lose electrons than magnesium and get oxidized to easily. Sodium reacts by losing a single electron. What country was responsible for this? Thus we say Zinc is more reactive than Copper. Strontium electron configuration: ₃₈Sr 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶5s²; two valence electrons is 5s² orbital. Oxidation is loss of electrons by an atom or a species. If this valence electron is lost, then noble gas configuration is obtained. Earth alkaline metals (group 2), in this example strontium, have higher ionization energy than alkaline metals, because they have two valence electrons, they are less reactive. this electron is held by the weak attractive force of the nucleus. Mantles for gas lanterns contain thorium, because it forms an oxide that can survive being heated to incandescence for long periods of time. Calcium is not below sodium in the activity series. … Compare elements on more than 90 properties. When 2-bromo-2-methylbutane is treated with a base, a mixture of 2-methyl-2-butene and 2-methyl-1-butene is produced. Is potassium more reactive than magnesium? (patmosphere=25.4 x local weather pressure reading) 2.since the gas in your graduated cylinder is a mixture of butane and water vapor, you must determine the partial pressure of the butane, pbutane, alone. Amina needs to get the facts right. Magnesium hydroxide is formed as a very thin layer on the magnesium and this tends to stop the reaction. the speed of light is 2.9979 x 108 m/s. an alkaline-earth metal. a. it set up reservations for freed african americans. increase down the group, meaning that the element could be Ca or Sr. That is because Sodium it is more up in the scale unlike Magnesium. Elements that appear close to each other on the table are related and tend to share many common properties. The ionization energy (Ei) is the minimum amount of energy required to remove the valence electron, when element lose electrons, oxidation number of element grows (oxidation process). Potassium(K) is the most reactive element than magnesium. Ask Question Asked 4 years ago. potential energy is transformed into kinetic energy. Reactivity Tests & Extraction. Answers: 3 Show answers Another question on Chemistry. Magnesium hydroxide is formed as a very thin layer on the magnesium and this tends to stop the reaction. A very clean coil of magnesium dropped into cold water eventually gets covered in small bubbles of hydrogen which float it to the surface. Hence we can say that K is more reactive than Mg. Answer is: a. Rubidium (Rb) is more reactive than strontium (Sr) because strontium atoms must lose more electrons. Moving down a group, the reactivity decreases. certainty 2: Barium is a steel element it rather is chemically reminiscent of calcium yet extra reactive. order matters! In chemistry, a reactivity series (or activity series) is an empirical, calculated, and structurally analytical progression of a series of metals, arranged by their "reactivity" from highest to lowest. Why is sodium more reactive than copper? Magnesium, calcium, potassium and sodium appear tightly clustered in the periodic table. A complete answer will discuss energy levels and electrons. Silicon (symbol Si) is a group 14 metalloid. Potassium , sodium and lithium are alkali metals which belong to Group 1 of the periodic table while calcium and magnesium are the alkaline earth metals belonging to Group 2. magnesium + hydrochloric acid → magnesium chloride + hydrogen Mg(s) + 2HCl(aq) → MgCl 2 (aq) + H 2 (g) The more reactive the metal, the more rapid the reaction is. 0 2. eda. Na has only one valence electron, so it readily donates that electron to other atoms to achieve an octet. Atoms of sodium (Na in the table) are larger, and so more reactive, than atoms of lithium (Li in the table). 1 decade ago. select all of the information you need when getting a quote for car insurance. How was the speed of light determined and what is it's value? False SUBMIT Previous Next We're in the know. sodium is more reactive than magnesium! Zinc is more reactive than copper thus it replaces copper in this reaction. Sodium is an alkali metal and magnesium is an alkali-earth metal; sodium is more reactive. The reason why Sodium is more reactive is because it only has to lose one electron to react. In fact, lithium and calcium, given the same conditions, react more slowly with water than does sodium. Losing each electron requires some energy to be put in, so it is easier for sodium to react than magnesium, and easier for magnesium to react than aluminium. settlement of the hudson river valley... Me! Sodium easily loses electrons and acquires a positive charge. Potassium, sodium and lithium all react quickly with cold water to produce a metal hydroxide and hydrogen gas. No commitments. 60 b. The subscriptoin renews automaticaly until you cancel. Answer is: Lithium (Li) is less reactive than potassium (K) because the valence electrons in lithium atoms are closer to the nuclei and harder to remove. Magnesium reacts by losing two electrons. Sodium has one valence electron, magnesium has two. How reactive is sodium metal? Rubidium electron configuration: ₃₇Rb 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶5s¹; one valence electron is 5s¹ orbital. You can actually burn magnesium in a way that you can't aluminium. The comparative reactivity of these metals is K > Na > Ca. Aluminium and phosphorus are close to one another in the Periodic Table but the P3 - ion is much larger than the Al3 + ion. Calcium is above sodium in the activity series, and is therefore, more reactive than sodium, yet calcium reacts much more slowly with water than does sodium. The phrase "like dissolves like" explains that non-polar chemicals often dissolve other non-polar chemicals. no,aluminium is more reactive than magnesium because aluminium has partially-filled p-orbital. In addition, the two electrons are in a filled s subshell, which has added stability. 248,832 c. 95,040 d. 300 b) p(8, 8) = a. Sodium is more reactive than Calcium. a. a) p(12, 5) = a. 64 b. 0.463 hm c. 4630 cm d.0.00463 km... What is the energy change taking place when plants make food in the presence\ of sunlight? i think in the most simple way to say: Magnesium is more reactive than aluminum. certainty 4: Strontium is softer than calcium and much extra reactive in water. This is because sodium has half filled orbital (that's 1 electron at 3s orbital) while magnesium has completely filled orbital (that's 2 electrons at 3s orbital). Lithium is more reactive to water than magnesium because while Lithium will explode and generally destroy the container it is in, magnesium will cause the water to violently bubble. The teapot dome scandal involved: a. president harding's illicit affair with a young woman. Magnesium + copper sulfate → magnesium sulfate + copper. All pricing is in US dollars (USD). Zn undergoes more easily than Copper. The configuration of sodium is [Ne]3s1 and the configuration of Calcium is [Ar]4s2 1. find each value. The reason why Sodium is more reactive is because it only has to lose one electron to react. Thus No reaction occurs when Copper reacts with Zinc sulphate, We can observe this in the reactivity series or electrochemical series which is as follows. Question sent to expert. You can view more similar questions or ask a new question. Element reactivity and atomic radius characteristically One of the hopes for solving the world's energy problem is to make use of the fusion reaction 21h +31h --> 42he + 10n + energy how much energy is released when 1 mol of deuterium is fused with 1 mol of tritium according to the above reaction? Unlike karl marx, max weber focused on: ​ a. The more reactive a metal is, the more likely it is to from ions and force others out. I disagreed with him, because potassium is more electropositive than lithium and thus more reactive. 46,300 mm b. Active 4 years ago. Mg(s) + CuSO4(aq) → MgSO4(aq) + Cu(s) Platinum, however, is less reactive than copper and so cannot displace copper from a copper sulfate solution. b. it offered free land to those will... How do self-fulfilling prophecies work? Sodium is a more electropositive metal which means that it "hates" electrons more than magnesium therefore it needs less energy to chuck electrons than magnesium does ... Those are the main factors that explain why sodium metal is more reactive than magnesium metal Chemistry, 21.06.2019 21:20. Potassium has lower first ionization energy than lithium, so potassium easier remove one valence electron. Hence, potassium is more reactive than sodium. ... Basically magnesium is more reactive than zinc because it displaces it in a reaction. The volume of 1.00 mile of water is how many milliliters. 1 0. Answer : Similarities between lithium and magnesium are as follows. Compare Magnesium and Sodium on the basis of their properties, attributes and periodic table facts. Beryllium is less reactive (with regards to ease offormation of a positive ion/cation of the metal) than magnesium. Magnesium must lose two, and the second ionisation energy is much higher than the first because it involves pulling a negative electron away from a positive ion which is clearly more attractive than a neutral atom. 8) Using the observations from sodium and water and your answers from the previous two questions, explain why sodium is so reactive. also, polar chemical often dissolve polar... How did the united states change its approach to science after the soviet union launched sputnik 1 in 1957? Compared with other alkali metals (metals in the first column of the periodic table), sodium is usually less reactive than potassium and more reactive than … Yes it is. sodium is more reactive than magnesium! true or false mmcruce mmcruce 11/06/2017 Chemistry High School Sodium is more reactive than magnesium. magnesium + hydrochloric acid → magnesium chloride + hydrogen Mg(s) + 2HCl(aq) → MgCl 2 (aq) + H 2 (g) The more reactive the metal, the more rapid the reaction is. magnesium certainty a million: Magnesium reacts lots extra slowly than calcium. Aluminium reacts by losing three electrons. Potassium, sodium and lithium all react quickly with cold water to produce a metal hydroxide and hydrogen gas. Magnesium must lose two, and the second ionisation energy is much higher than the first because it involves pulling a negative electron away from a positive ion which is clearly more attractive than a neutral atom. Magnesium + copper sulfate → magnesium sulfate + copper. magnesium + hydrochloric acid → magnesium chloride + hydrogen Mg(s) + 2HCl(aq) → MgCl 2 (aq) + H 2 (g) The more reactive the metal, the more rapid the reaction is. Simplify 5 to the negative 4th power over 5 to the 3rd.... For the given pair of​ events, classify the two events as independent or dependent. The formula of the Reactivity Tests & Extraction. ¿como es?