how many valence electrons does ytterbium have?
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Although usually trivalent, ytterbium readily forms divalent compounds. This behavior is unusual for lanthanides, which almost exclusively form compounds with an oxidation state of +3. The +2 state has a valence electron configuration of 4f14 because the fully filled f-shell gives more stability.
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Most transition metals have 2 valence electrons. Valence electrons are the sum total of all the electrons in the highest energy level (principal quantum number n). Most transition metals have an electron configuration that is ns2(n−1)d , so those ns2 electrons are the valence electrons. For example.
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Transition Metals This means that manganese (Mn) has the electron configuration [Ar]4s²3d⁵ and 7 valence electrons.
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An aluminum atom possesses three valence electrons.
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The ground state electron configuration of ground state gaseous neutral yttrium is [Kr]. 4d1. 5s2 and the term symbol is 2D3/2.
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Answer and Explanation: Scandium has three valence electrons.
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Xenon has eight valence electrons, which are the electrons in its outer shell.
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Characteristics. A thallium atom has 81 electrons, arranged in the electron configuration [Xe]4f145d106s26p1; of these, the three outermost electrons in the sixth shell are valence electrons.
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Uses of ytterbium Ytterbium has few uses. It can be alloyed with stainless steel to improve some of its mechanical properties and used as a doping agent in fiber optic cable. One of ytterbium's isotopes is being considered as a radiation source for portable X-ray machines.
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Each phosphorus atom formally possesses 8 valence electrons. The 4s2 valence electrons on zinc are presumed to be ABSENT, and this centre is a d10 dication.
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Atoms of elements in this group have four valence electrons.
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1 Answer. Spencer V. Lithium has 1 valence electron.
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Answer and Explanation: A bromine (Br) atom has 7 valence electrons.
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The Lewis structure for XeF4 has a total of 36 valence electrons. When we are done adding valence electrons we check each atom to see if it has an octet (full outer shell).
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As element 34, it has 34 electrons. 2+8+18 is 28. Therefore, six electrons are on its valence shell. It all depends on shells accepting an amount of electrons.
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Because most transition metals have two valence electrons, the charge of 2+ is a very common one for their ions. This is the case for iron above. A half-filled dsublevel ( d 5 ) is particularly stable, which is the result of an iron atom losing a third electron.
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Lithium has a single electron in the second principal energy level and so we say that lithium has one valence electron. Beryllium has two valence electrons. How many valence electrons does boron have?