do ions have valence electrons?
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Do ions have valency? - Quora. Ions can still have valence electrons. The more obvious ions are stable at a noble gas configuration, but there are often elements that can lose (or gain) different numbers of electrons in forming ions. For example magnesium can lose one or two electrons.
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For ionic bonding, valence electrons are gained or lost to form a charged ion, and in covalent bonding, the valence electrons are shared directly. The resulting molecules created through both ionic and covalent bonding are electrically neutral.
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A neutral oxygen atom will also have eight electrons. In an oxygen ion with a 2− charge, the number of protons is still 8, but the number of electrons is 10. This results in the oxygen ion having an octet (8) of valence electrons.
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Answer and Explanation: A barium (Ba) atom has 2 valence electrons.
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Ions are atoms with extra electrons or missing electrons. When you are missing an electron or two, you have a positive charge. When you have an extra electron or two, you have a negative charge.
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Ions are formed when atoms lose or gain electrons in order to fulfill the octet rule and have full outer valence electron shells. When they lose electrons, they become positively charged and are named cations. When they gain electrons, they are negatively charged and are named anions.
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Metal atoms lose electrons from their outer shell when they form ions: the ions are positive, because they have more protons than electrons. the ions formed have full outer shells. the ions have the electronic structure of a noble gas (group 0 element), with a full outer shell.
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Each alkali metal atom has a single electron in its outermost shell. This valence electron is much more weakly bound than those in inner shells. As a result, the alkali metals tend to form singly charged positive ions (cations) when they react with nonmetals.
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In chemistry, valence electrons are the electrons that are located in the outermost electron shell of an element.
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It has 2 valence electrons. The element is calcium, a metal.
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The number of valence electrons in an element is the number of electrons in the outer shell. ... Thus vanadium has 5 valence electrons and during ionic bonding, s-shell electrons are lost first and than d-shell electrons would be lost.
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The tendency to form species that have eight electrons in the valence shell is called the octet rule. The attraction of oppositely charged ions caused by electron transfer is called an ionic bond.
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The valence electrons are the electrons in the outermost energy level. They are always the outermost electrons. Atoms that LOSE electrons are called cations and have an overall positive charge. Atoms that GAIN electrons are called anions and have an overall negative charge.
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Vanadium has five valence electrons. The two electrons in the 4s sub-shell, and...
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So the Hydrogens, they're OK, they all have 2 valence electrons. Nitrogen needs eight valence electrons for a full outer shell, or an octet, and Nitrogen has 8. So we're good. That is the structure for NH4+, the ammonium ion.
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Answer and Explanation: Vanadium has five valence electrons.
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The sulfide ion has 8 valence electrons and the sulfur atom has 6 valence electrons.