how many electrons are present in sodium ion?
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Counting Electrons in an Ion If you need to determine how many electrons are in the sodium ion Na+, start with the neutral atom. Neutral sodium has 11 electrons. To achieve a single positive charge, the neutral atom must lose one electron. The net result is that the sodium ion Na+ has 10 electrons.
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Sodium has one valence electron. The element has a full innermost electron shell of two electrons and a full shell of eight electrons in the next shell.
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Sodium ion is positively charged. In sodium ion, there are 11 protons but 10 electrons, i.e., sodium ion contains lesser number of electrons. Sodium ion has 8 electrons in its valence shell. The size of sodium ion is smaller than that of sodium atom.
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We know that the atomic number of sodium is 11. This tells us that sodium has 11 protons and because it is neutral it has 11 electrons.
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Therefore the sodium electron configuration will be 1s22s22p63s1. The configuration notation provides an easy way for scientists to write and communicate how electrons are arranged around the nucleus of an atom.
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Atoms like sodium, with only one or two electrons in a valence shell that needs eight electrons, are most likely to give up their valence electrons to achieve a stable state. All these atoms need is another atom that can attract their electrons!
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Reason : A sodium atom and sodium ion, both have the same nucleus (same number of protons and neutrons). The only difference is that the ion has one less electron than the atom.
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For each negative charge on an ion, we need to add 1 valence electron so this makes the total 29 + 3 = 32 valence electrons. This means we have 32 electrons to distribute into bonds to create phosphate ion.
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Yes, Na⁺(l) ions are sodium ions and also sodium cations. It is understood that sodium ions are cations because sodium is a metal. But Cl⁻(l) ions are chloride ions and also chloride anions.
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The sodium atom is left with a full outermost electron shell with eight electrons, and the outermost shell of the other atom is full as well.
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Valence electrons occupy the outermost electron shell in an atom. Sodium, with a total of 11 electrons, has only one electron in its third and outermost shell.
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Sodium chloride (NaCl) is a typical ionic compound. The picture below shows both a sodium and a chlorine ion. Sodium has 1 electron in its outermost shell, and chlorine has 7 electrons. It is easiest for sodium to lose its electron and form a +1 ion, and for chlorine to gain an electron, forming a -1 ion.
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It has five valence electrons. By gaing three electons, N gets stable octet configuration to form N-3 ion. N-3 has 7+3= 10 electrons.
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Mass number This tells us that sodium has 11 protons and because it is neutral it has 11 electrons. The mass number of an element tells us the number of protons AND neutrons in an atom (the two particles that have a measurable mass).
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If an ion has a 2+ charge then it must have lost electrons to form the cation. If the ion has 18 electrons and the atom lost 2 to form the ion, then the neutral atom contained 20 electrons. Since it was neutral, it must also have had 20 protons. Therefore the element is calcium.
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1 Answer. There are 1.20⋅1024 atoms of sodium in 2 moles of sodium.
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Since electrons have a negative charge, gaining electrons makes the ion negative. Losing electrons makes the ion positive. If you need to determine how many electrons are in the sodium ion Na+, start with the neutral atom. Neutral sodium has 11 electrons.