How many electrons go in each orbital? If oxygen bonds with 4 hydrogen atoms, it would have too many electrons to fit into its outer shell. Notes. It need 2 more valance electrons to be stable. Examples. Electron shells make up the electron configuration of an atom. To find the number for sulfur, find its atomic number in the Periodic Table. The electrons are shared between the two elements to fill the outer shell of each, making both elements more stable. Comment; Complaint; Link ; Know the Answer? Answers (1) Clara Welch 29 May, 19:36. The number of electrons that can be in a certain shell is equal to. 2 bronze badges. 0. In an oxygen atom, 8 electrons are present. oxygen number of electrons. This leaves 9 electrons to be filled. As you learn about elements with more than eighteen electrons you will find that shell three can hold more than eight. Because the outer shell can hold up to eight electrons and not all elements are able to fill these shells to capacity, the fullness of the shells will determine the volatility of the atom's reactive properties as a result of the number of electrons required to complete the shell. Answer. In Order To Fill Its Outer Electron Shell, How Many Electrons Does It Need? fill the outer shell of oxygen which has six electrons in its outer shell but from BIO 180 at Brigham Young University, Idaho Valence electrons are the electrons in the outermost shell, or energy level, of an atom. Thus, electronic configuration of elements follows an ascending order. 3 How many electrons does oxygen need to fill its outer shell M 2 G 6 How many. Fill in the blanks When hydrogen shares electrons with oxygen, the outermost shell of the hydrogen atoms are full with___electrons and oxygen’s valence shell is full with___electrons. Since there are already filled orbitals, electrons will want to bind to complete the shell because as it happens extra binding energy is available. It belongs to a group called the noble gases. This is called the "octet" rule. This first shell has only one subshell (labeled 1s) and can hold a maximum of 2 electrons. When atoms react, they tend to try and achieve a full outer energy level, either by losing outer electrons, by gaining extra electrons or by sharing electrons … To completely fill the outer shell of oxygen, which has six electrons in its outer shell but which would be more stable with eight, two electrons (one from each hydrogen atom) are needed: hence the well-known formula H 2 O. On the outer ring, it has 6 valance electrons. Uploaded By AdmiralAtomGiraffe6600. Oxygen has 8 electrons. These atoms have a very strong tendency to steal electrons from other atoms. +1. Atoms tend to form ions or chemical bonds in order to end up with filled outer "s" and "p" subshells. Shell number one can only hold 2 electrons, shell two can hold 8, and for the first eighteen elements shell three can hold a maximum of eight electrons. First electrons will fill the K-shell and then L shell and so on. Maxistence. Each successive shell can only hold a certain number of electrons. Because the valence shells of these atoms are full, the atoms are stable. 162 E N E R G Y 1s 2s 2p 3s 3p 3d 4s 4p 4d 5s 5p Example: Oxygen, Z = 8 Valence electrons for oxygen. An atom that has the maximum number of electrons in its outer shell will be stable. Oxygen has an atomic number of 8. in order to fill its outer electron shell, how many electrons does it need? 31 2. Hydrogen has one electron to play with. Once one shell is full, the next electron that is added has to move to the next shell. A lithium atom, for example, has three electrons. To determine valence electrons, add the outermost s and p orbitals. In oxygen, the remaining electrons is only 6 electrons. 0. Hydrogen has a total of 1 electron. Oxygen has 6 valence electrons, because it’s electron configuration is 1s^2 2s^2 2p^4. A full and stable outer shell of an electron consists of eight electrons. It need 2 more valance electrons to be stable. Atoms will lose or gain valence electrons to make their outer shells full with eight electrons, and they do this by bonding with other atoms. Created by Sal Khan. The chemical properties of an atom are determined largely by how full or empty the outer electron shell is. Pages 9 This preview shows page 3 - 7 out of 9 pages. A 3 B 0 C 1 D 2 One Turn Of The Citric Acid Cycle Produces A 3 NADH, 1 FADH2, 1 ATP, And 2 Carbon Dioxide B 2 NADH, 1 FADH2, 1 ATP, And 2 Carbon Dioxide C 2 NADH, 2 FADH2, 1 ATP, And 2 Carbon Dioxide D 2 NADH, 2 FADH2, 2 ATP, And 4 Carbon Dioxide The electrons are shared between the two elements to fill the outer shell of each, making both elements more stable. Answer. We can write the configuration of oxygen's valence electrons as 2s²2p⁴. The first electron shell can hols 2 electrons, and the second 6. School Alexandria University; Course Title ENGINEERIN mp108; Type. An atom's reactivity is determined by the number of electrons in its outermost shell. The valency of oxygen is 2 as its electronic configuration is 2,6 and it need 2 electron to complete their octet. To completely fill the outer shell of oxygen, which has six electrons in its outer shell but which would be more stable with eight, two electrons (one from each hydrogen atom) are needed: hence the well-known formula H 2 O. For an explanation of why electrons exist in these shells see electron configuration. Question: * Oxygen Has An Atomic Number Of 8. On the outer ring, it has 6 valance electrons. 35 Related Question Answers Found Why is there only 2 electrons in first shell? Atoms can either donate or receive electrons only in valence shell. The atomic number of the element = 2. In an atom, the number of electrons and protons are equal, meaning electron number is also 8. mass number 16. D) outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom Answer: C 27) What is the maximum number of covalent bonds that an oxygen atom with atomic number 8 can make with hydrogen? 3 how many electrons does oxygen need to fill its. Oxygen has 8 electrons. This means most atoms have a partially filled outer energy level. 0. Answer 4: Oxygen needs two electrons to fill its outermost electron shell. The electron from the hydrogen splits its time between the incomplete outer shell of the hydrogen atoms and the incomplete outer shell of the oxygen atoms. The name for electron shells came from the Bohr model, which states that electrons orbit the nucleus at certain distances so that their orbits form "shells". Electrons are arranged in different shells around the nucleus. Comment; Complaint ; Link; Know the Answer? two electrons . The 3p is the next energy level and like the 2p orbital, it can also hold six electrons, leaving 1 electron left. 2 n 2 {\displaystyle 2n^ {2}} . Maxistence. An oxygen atom has eight electrons. Oxygen has an atomic number of 8. in order to fill its outer electron shell, how many electrons does it need? Share. Hope that helps. Oxygen typically forms 2 covalent bonds because it needs to 2 more electrons to fill the outer shell. They should understand that the oxygen atom needs two electrons to fill its outer shell, which means they will need a total of two hydrogen atoms to complete the bond. For example, the electron configuration of Oxygen (atomic number 8) ... is the next available energy level and can hold six electrons. Rule 3: The electrons will fill the inner shells before the outer shells. Oxygen is #8 on the periodic table. Therefore, an oxygen atom needs two hydrogens to bond to in order to complete its shell. The outermost valence shell holds the number of electrons that can bond, that is, the valence electrons. With a full shell maximum binding occurs. 8 electron sre needed. The total number of electrons present in Helium = 2. Oxygen, atomic number 8, since the atomic number is the number of protons in the nucleus of an atom, proton number is 8. How many covalent bonds does hydrogen typically form (think about how many electrons are needed to fill the outer shell)? The general formula is that the nth shell can in principle hold up to 2(n 2) electrons. Therefore 8. To completely fill the outer shell of oxygen, which has six electrons in its outer shell but which would be more stable with eight, two electrons (one from each hydrogen atom) are needed: hence the well-known formula H 2 O. 8 electrons in outermost shell is considered the most stable state of an atom as the shell will be fully occupied. 2 See answers zesty69 zesty69 Water is made up of two hydrogen( H) atoms and one oxygen (o) atom. Below is a picture of a potassium atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell. The number of electrons that are paired in oxygen molecule is . Improve this answer. Oxygen 8 8 6 2 Sulfur 16 16 6 2 Nitrogen 7 7 5 3 H H H2O O Students should start with one hydrogen and one oxygen. In chemistry, this is called the "octet rule". (Not all chemical bonds follow this - it's a RULE OF THUMB, not a scientific law!) The next two electrons will fill the 3s orbital, leaving 7 electrons. answered Oct 1 '14 at 9:59. The maximum number of electrons in each shell, going from the middle to the outside, is 2, 8, 8, 18. As shown, helium has a complete outer electron shell, with two electrons filling its first and only shell. For example, atoms of fluorine(F), chlorine(Cl) and the other elements in that second from the last column of the periodic table need only one electron to fill the outer shell. in the outer shell of all the elements in a group is the same as the group number. How many electrons are found in an oxygen atoms outer energy level? Answers (1) Makai Acevedo 20 January, 23:29. Not Sure About the Answer? Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. Suggested Videos Examples of the Electronic Configuration 1) Helium. This means that it will not react with other atoms. Therefore, no of electrons in outer shell= no of electrons in valence shell= 6. The number of electrons in an atom is determined by the number of protons. (All electrons in the outer shell are valence electrons!) Its electron structure is 2, 8, 8, 1.