how many electrons are in the valence shell of aluminum?
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Answer and Explanation: Aluminium has 3 valence electrons. Valence electrons are located in the outermost shell of an element.
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Valence electrons are the number of electrons present in the outermost shell of an atom. The last shell of a chlorine atom has 7 electrons in it. Therefore, there are 7 valence electrons in an chlorine atom.
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The shell having highest value of principal quantum number is known as valence shell. The valence shell of this element is 4s. This shell has only 1 electron. Hence, copper has 1 electron in its valence 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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The highest-numbered shell is the third shell, which has 2 electrons in the 3s subshell and 3 electrons in the 3p subshell. That gives a total of 5 electrons, so neutral phosphorus atoms have 5 valence electrons.
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When an atom has only one electron in valence shell, it is almost a perfect conductor. When an atom has eight valence electrons the valence shell is said to be complete and the atom is an insulator.
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To see how many of these electrons are valence electrons, write the electron configuration of a neutral zinc atom. Notice that the outermost shell, which for zinc is the fourth shell, n=4 , has two electrons.
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Zinc only has two valence electrons. It has 30 electrons in its outer shell. Its electron configuration is [Ar]3d^10 4s^2.
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The electron configuration of aluminum, atomic number 13, is [Ne] 3s2 3p1.
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Answer: The highest-numbered shell is the third shell, which has 2 electrons in the 3s subshell and 5 electrons in the 3p subshell. That gives a total of 7 electrons, so neutral chlorine atoms have 7 valence electrons. The 10 remaining electrons, from the first and second shells, are core electrons.
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Valence electrons are the electrons in the outermost shell, or energy level, of an atom. For example, oxygen has six valence electrons, two in the 2s subshell and four in the 2p subshell.
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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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Answer: The highest-numbered shell is the third shell, which has 2 electrons in the 3s subshell and 5 electrons in the 3p subshell. That gives a total of 7 electrons, so neutral chlorine atoms have 7 valence electrons.
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Answer and Explanation: Lithium has one valence electron. It has a total of three electrons, with two in its first shell. All of the alkali metals have one valence electron,...
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Yes. By definition, a Lewis acid is an electron acceptor. ... Since aluminum has just three valence electrons, it only uses three of its four available orbitals to create bonds to hydrogen. This leaves one orbital empty which, by definition, makes AlH capable of accepting a pair of electrons and therefore a Lewis acid.
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Answer and Explanation: Aluminum has 13 protons, 13 electrons, and 14 neutrons. To determine this, look first at the atomic number for aluminum, which is 13. This gives the...
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Other notable exceptions are aluminum and boron, which can function well with six valence electrons. ... The boron shares its three electrons with three fluorine atoms. The fluorine atoms follow the octet rule, but boron has only six electrons.