From given configurations, I I I will have highest electron affinity as 2 p is more closer to the nucleus and it is deficient of 1 electron to complete its octet. II. The total number of completelyfilled s orbitals of a sodium atom in the ground state is 19. Since 1s can only hold two electrons the next 2 electrons for F go in the 2s orbital. d. Sr. Answer Save. This will be followed by I V where 3 s orbital requires 1 electron. ★★★ Correct answer to the question: What is the electron configuration of an element with atomic number 20? Based on what you have learned about the arrangement of electrons and the periodic table, the electrically neutral atom of which element is represented by the following electron configuration: 1s22s22p63s23p6? Consider the electron configuration. Relevance. The element with electron configuration 1s22s22p63s1 belong I A group in the periodic table and it is sodium because it loses one electron. Note: To write the electronic configuration a more convenient way is … :D The electron configuration of an atom shows the number of electrons in each sublevel in each energy level of the ground state atom. Based on the electron configuration, write one chemical property of this element. If the pressure, volume, and the number of moles of a gas are known, which is needed to calculate the … 1 Answers. Describe what most likely happens when an atom of this element comes near an atom having seven valence electrons. 2nd element: S (Sulfur). The electron configuration of an element is 1s22s22p4. not the number of ELECTRONS. their electrons are assigned to … Here, 1 s 2 2 s 2 2 p 6 3 s 2 3 p 2 3 d 5 4 s 1 is ground state electronic configuration of Cr. 3 1s^2 2s^2 2p^4 5. It goes The s orbital can hold only 2 electrons : so hydrogen is 1s1. a. The Electronic Configuration of the elements is the arrangement of all electrons of an element in energy levels and sub-levels (orbitals). It is unreactive because it has a full outermost energy level. That is equal to its atomic number. The electron configurations of elements indicated in red are exceptions due to the added stability associated with half-filled and filled subshells. because the number of PROTONS determines what element you have. helium is 1s2. The '3' informs us that the element is in the 3rd Energy Level or row of the periodic table. It is reactive because it has a full outermost energy level. The general electron configuration is two shells, with 4 valence electrons. It is easier to determine the electron configurations for the p-block elements in periods 1, 2, and 3 than to determine the electron configurations for the rest of the p-block elements in the periodic table because they have a larger number of core electrons. c. Rb. What is the electron configuration of oxygen? (2) The element with an electron configuration of 1s 2 … Related Questions in Chemistry. 1s22s22p5. Fluorine is the ninth element with a total of 9 electrons. The electron configurations of the elements are presented in Figure 2.2.3, which lists the orbitals in the order in which they are filled. Fourth element: the ground state configuration contains three unpaired 6p elections . Use the element blocks of the periodic table to find the highest electron orbital. 5. a. Ni(II) b. Cl -1 the -1 is in superscript. This forms once pairs of electrons are shared between atoms. The electronic configuration in your question corresponds to phosphorus. If the electron configuration of an atom of element X is Is22s22p4 the electron dot symbol for the element is (A) 1s22s22p2 (B) 1s22s22p3 (C) 1s22s22p5 Is22s22p6 18. Answer Save. The electronic configuration of an element is 1s22s22p5 .Find the block and period of the element? Which element has atoms in the ground state with a sublevel that is only half filled? Do you know the better answer! Sodium is a chemical element with the symbol Na and atomic number 11. Favorite Answer. Only elements from Boron onwards can have an octet in their outermost orbit. Correct answers: 3 question: The electron configuration of an element is shown below. Dr W . b. Sn. How many valence electrons does magnesium (Mg) have? Ions are real right? LOGIN TO VIEW ANSWER. It is a soft, silvery-white, highly reactive metal. 4th element: Bi … On the periodic table, for every element with a higher atomic number, you add an electron.After you fill the s orbital, you add a p orbital and add another s orbital. 3. Which element has the following electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2? d. Among the given elements, Be would be the element to which the given element resembles. 1s2 2s2 2p6 3s2 3p5 b. For elements after No, the electron configurations are tentative. of Arsenic. 20. The electron configurations of the elements indicated in blue are also anomalous, but the reasons for the observed configurations are more complex. (A) helium (B) beryllium C itrogen (D) neon 20. Ca. (8 points) First element: Ne. For each atom the subshells are given first in concise form, then with all subshells written out, followed by the number of electrons per shell. The electron configuration shows that there are 6 electrons in the atom. Electron configurations of elements beyond hassium (element … An element with an approximate mass of 14 is nitrogen. III. How many valence electrons are represented in the following electron configuration? Electronic Configuration: By adding all the number of electrons given in an electronic configuration, we can find the atomic number of the element for the corresponding electronic configuration. Which is the atomic number of the element which is just below the above element in the periodic table? The remaining five electrons will go in the 2p orbital. Lv 7. One, to achieve Helium configuration, which is a duet, not an octet, as it only has 2 electrons. 3 Answers. If you don’t have a chart, you can still find the electron configuration. The number of electrons present in the outermost shell is 2. 1 Answer. Explanation: The electronic configuration of Be is 2,2. and IF the atoms this … The key to deciphering this is to look at the last bit of information of the electron configuration 3p^2. The electron configuration states where electrons are likely to be in an atom. The element which present just below this element will have outermost electronic configuration as $4s^2 4p^3$, so its full electronic configuration is $1s^2, 2s^2 2p^6, 3s^2 3p^6, 4s^2,$ $3d^{10}, 4p^3$ and hence, its atomic number is 33. How to Find Electron Configuration. Hope that helped!!! Click hereto get an answer to your question ️ The electronic configuration of an element is 1s^2, 2s^2, 2p^6, 3s^2, 3p^3 . The element belongs to period 3 because it has total 3 shells (2,8,2). Thank you. o Magnesium is element 12, which belongs to group 2 of the periodic table. Purna chandra Sahu. the atom contains only 4 protons; Incorrect - the number of protons is equal to the number of electrons (6 in this atom ) in all neutral atoms. 1s2 2s2 2p6 3s2 3p6 c. 1s2 2s2 2p6 3s2 d. 1s2 2s2 2p6 3s2 3p6 4s2 e. 1s2 2s2 2p6 - edu-answer.com The more specific electron configuration is 1s22s22p3. mc011-1.jpg mc011-2.jpg mc011-3.jpgmc011-4.jpgmc011-5.jpg mc011-6.jpg mc011-7.jpgmc011-8.jpgmc011-9.jpg 1s 2s 2p 3s 3p Which element has this electron configuration? The electronic configuration of an element is given below. One, two electrons in the first orbit, one in the valence orbit. (Points: 3) 1s22s1 1s22s22p63s2 1s22s22p2 1s12s22p63s23p63d14s2 21. first of all this is a bad question. Please explain this is Chinese to me. 1 decade ago. The answer to your question is Atomic number 33, which is the atomic no. 1 decade ago. 4. A. astatine B. bromine C. chlorine D. fluorine The number of shells tell the period number of the element. She's right its fluorine. Answers (2) Cristofer Lee 16 August, 06:56 +1. The electron configuration 1s^2 2s^2 2p^6 3s^2 3p^2 is the element Silicon. Favorite Answer. Describe what most likely happens when two atoms of this element move toward each other. Submit your answer. It is reactive because it has to lose one electron to have a full outermost energy level. why? c. K. d. Be. (1) The element with an electron configuration of 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 7 is in group and period . Asked By adminstaff @ 27/07/2019 05:12 PM. e. N -3. f. Cl -2. Two valence electrons. Which of the following is the electron configuration of an electrically neutral alkali metal? The electron configuration of an element is shown below. Lv 4. Answer: 1s 2 2s 2 2p 6 3s 2 3p 6 4s 2 3d 10 4p 6 5s 2 4d 10 5p 6 6s 2 4f 14 5d 10 6p 6 7s 2 5f 14 6d 10 7p 2. the element is on the second period of the periodic table; Correct - the 1s2 electrons fill up the first period (H and He) the 2s2 and 2p2 electrons are in the second energy level ie second period. In writing the electron configuration for fluorine the first two electrons will go in the 1s orbital. We have periodic table in attachments. This page shows the electron configurations of the neutral gaseous atoms in their ground states. Relevance. Write the complete electron configuration for element 114. If you locate Phosphorus on the periodic table the element below it Arsenic. I I will have less electron affinity than I V because half-filled p orbital is stable. 1s22s22p63s23p6 Name the group this element belongs to in the periodic table and explain your answer. Actual configurations have not been verified. Chemistry. Get the answers you need, now! Answer: Most likely what will happen when two atoms of this element move toward each other is that a double covalent bond will form. Aluminum ion, Al3+, is in noble gas configuration (between '[ ]' ) is [1s2, 2s2 2p6] 3s0 3p0 Aluminum's elemental electron configuration is [1s2, 2s2 2p6] 3s2 3p1 1s22s22p63s1 Which statement about the reactivity of the element is true? You know the following electron configuration: 1s²2s²2p⁶3s²3p⁶ In the periodic table the elements are arranged so that those with similar chemical properties are located close to each other. 3rd element: Ag (Silver).Calculate the total number of electrons. The electron configuration of an element is 1s2 2s2 2p6. This is obtained when you add up the superscript in each orbital. {eq}1s^22s^22p^5 {/eq} Name the group this element belongs to in the periodic table and explain your answer.
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