1s22s22p63s2

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Wiki User. That's correct! Sulfur S is in the third row, so it has electrons in the third energy level. The first two levels are completely filled, giving 1s22s22p6 and it has six electrons in the third level, giving 3s23p4. That element is chlorine Cl. You can tell for two reasons: first, the second number in each section which, when properly written, is a superscript should all add up to the element's atomic number.

1s22s22p63s2

The '3' informs us that the element is in the 3rd Energy Level or row of the periodic table. The 'p' tells us that the element is found in the p-block which are all of the Groups to the right of the transition metals, columns The superscript '2' tells us that the element is found in the 2nd column of the p-block Group The supercripts 2, 2, 6, 2 and 2 are the number of electrons in each orbital. Simply add up these numbers, which will give you Now just look for the element on the periodic table with the atomic number of This is because the atomic number tells you the number of protons, and the number of electrons is equal to that of the protons unless the element has become an ion, of course, but since there is no information saying it is an ion, we'll assume it isn't. So, the element with the atomic number of 14 is Silicon! What element has the electron configuration 1s2 2s2 2p6 3s2 3p2? Chemistry Electron Configuration Electron Configuration.

An element in Group 2 has two valence electrons. What element has the electron configuration 1s22s22p63s2 2s2 2p6 3s2 3p2? A property of that element, 1s22s22p63s2.

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If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Search for courses, skills, and videos. Atomic structure and electron configuration. About About this video Transcript. Electron configurations describe where electrons are located around the nucleus of an atom. Created by Sal Khan.

1s22s22p63s2

If you're seeing this message, it means we're having trouble loading external resources on our website. To log in and use all the features of Khan Academy, please enable JavaScript in your browser. Search for courses, skills, and videos. Introduction to the periodic table. About About this video Transcript. How to determine the number of valence electrons and draw Lewis structures for main group elements starting from the electron configuration. Created by Jay. Want to join the conversation? Log in.

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The electron configuration of an element shows the number of electrons in their energy levels and orbitals. Related questions. What is magnesium's highest occupied energy level? All rights reserved. Electron Configuration: Ions and Excite State. My presentations Profile Feedback Log out. The 'p' tells us that the element is found in the p-block which are all of the Groups to the right of the transition metals, columns The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers. What is the electron configuration of chromium? This is because the atomic number tells you the number of protons, and the number of electrons is equal to that of the protons unless the element has become an ion, of course, but since there is no information saying it is an ion, we'll assume it isn't.

The '3' informs us that the element is in the 3rd Energy Level or row of the periodic table. The 'p' tells us that the element is found in the p-block which are all of the Groups to the right of the transition metals, columns

Magnesium is element 12 and belongs to Group 2 of the Periodic Table. Cancel Download. Still have questions? Another reason is that the configuration ends in 3p5, which tells you that the element is in period 3, and it's one spot back from the noble gas, which automatically will end in 3p6. What type of radiation is. If an element has an even number of electrons, it may be either paramagnetic or diamagnetic. Trending Questions. Sulfur dioxide SO2 is a compound. An element has an electron configuration of 1s22s22p63s2 Which of these will be in the same group as this element? How do electron configurations affect properties and trends of a compound? Quantum Theory and the Electronic Structure. What is the electron configuration for a sodium ion? Chemistry Electron Configuration Electron Configuration. Metal is not an element.