can sulfur break the octet rule?
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Sulfur, phosphorus, silicon, and chlorine are common examples of elements that form an expanded octet. Phosphorus pentachloride (PCl5) and sulfur hexafluoride (SF6) are examples of molecules that deviate from the octet rule by having more than 8 electrons around the central atom.
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octet rule: Atoms lose, gain, or share electrons in order to have a full valence shell of eight electrons.
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Answer and Explanation: Sulfur has 6 valence electrons located in its outermost orbit. When looking at the sulfur atom, it contains 16 total electrons.
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How many electrons would be present in the valence shell of a sulfur atom (atomic number 16, mass number 32)? An atom of sulfur would have 16 electrons, with 2 electrons in the innermost electron shell, 8 electrons in the next electron shell, and 6 electrons in the outermost or valence shell.
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In your case, the sulfide anion, S2− , carries a (2−) negative charge, which can only mean that it gained electrons. More specifically, it gained 2 electrons. A neutral sulfur atom has an atomic number equal to 16 , which means that it has 16 protons inside its nucleus and 16 electrons surrounding its nucleus.
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From the previous answer we can see= 1mole H2S molecule = 1 mole sulfur atom=6.023*1023 S atoms.
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Potassium has one electron in its outer shell, and Sulfur has two. When forming an ionic compound with one atom of sulfur, two potassium atoms are used. ... This is an ionic bond and is the basis of the ionic compound formed, as the differently charged ions are held together by their opposite charges.
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The two oxygen atoms in this molecule follow the octet rule. Nitrogen dioxide: Nitrogen dioxide is another stable molecule that disobeys the octet rule.
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The p subshell can accommodate a maximum of 6 electrons, but here it holds 4 electrons, which means that sulfur has 2 unpaired electrons, both located in the p-subshell.
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Sulfur has six valence electrons. Valence electrons are the outermost electrons which, therefore, are located on the highest energy levels. Consequently, these are the electrons available for chemical bonding.
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Exploring why is PF5 a stable molecule but not PH5. Covalent compounds that exceed the “octet rule” by having more than four pairs of electrons around a central atom are commonly known as “hypervalent” molecules. ... In this case, they do not exceed the octet rule.
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In phosphate ion (PO43-), each oxygen has a full octet (eight valence electrons), whereas phosphorus has an expanded octet (ten valence electrons). In sulfuric acid (H2SO4), each oxygen has a full octet (eight valence electrons), whereas sulfur has an expanded octet (twelve valence electrons).
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Chemical reactions As a general rule, a main group element (except hydrogen or helium) tends to react to form a closed shell, corresponding to the electron configuration s2p6. This tendency is called the octet rule, because each bonded atom has eight valence electrons including shared electrons.
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Each group located in the p block designates an electron that can occupy the p subshell. Since the p block covers groups 13 through 18 , you can say that the p subshell can hold a maximum of 6 electrons. For sulfur, you can have l=1 for the second and third energy levels, i.e. periods in the Periodic Table.
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octet rule: Atoms lose, gain, or share electrons in order to have a full valence shell of eight electrons. Hydrogen is an exception because it can hold a maximum of two electrons in its valence level.
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Sulfate is a polyatomic ion with 1 sulfur (6 valence electrons), 4 oxygens (4 x 6 valence electrons = 24 e-) and a charge of -2 (2 valence electrons). If we add all the electrons together we get 32 valence electrons with which to make bonds and lone pairs around the atoms in the ion.
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1 Answer. BRIAN M. The octet rule is the understanding that most atoms seek to gain stability in their outer most energy level by filling the s and p orbitals of the highest energy level with eight electrons. Oxygen has an electron configuration of 1s22s22p4 this means that oxygen has six valence electrons 2s22p4 .