how many valence electrons in fluorine atom?
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Answer and Explanation: Fluorine has 7 valence electrons. Fluorine (represented by F) is an element with atomic number 9, meaning that it has 9 protons in its nucleus,...
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Fluorine has seven valence electrons and usually forms the F – ion because it gains one electron to satisfy the octet rule.
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So... for the element of FLUORINE, you already know that the atomic number tells you the number of electrons. That means there are 9 electrons in a fluorine atom. Looking at the picture, you can see there are two electrons in shell one and seven in shell two.
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Fluorine and the other halogens in group 7A (17) have seven valence electrons and can obtain an octet by forming one covalent bond.
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When two fluorine atoms come together, they each share one of their 7 valence electrons to form a nonpolar covalent bond.
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In the Lewis structure for NF3 there are a total of 8 valence electrons.
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So each of these fluorines has seven valence electrons, but there are four of them. So one silicon tetrafluoride molecule is gonna have four plus 28 valence electrons.
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Valence electrons are the number of electrons present in the outermost shell of an atom. Now, the last shell of chlorine atom has 7 electrons in it. Therefore, there are 7 valence electrons present in an chlorine atom.
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So fluorine has 7 electrons in the outermost shell.
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A fluorine atom has nine protons and nine electrons, so it is neutral (see top diagram in the image below). There is one spot open for an electron to be added to the outermost energy level (maximum capicity is 8 electrons).
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As an example, let's use carbon tetrachloride, CCl4. The single carbon atom contains four valence electrons, and each of the four chlorine atoms contains seven valence electrons. Therefore, the number of valence electrons for this molecule is 4 + (4 × 7) = 32.
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What Makes Them Similar? When you look at our descriptions of the elements fluorine and chlorine, you will see that they both have seven electrons in their outer shell. That seven-electron trait applies to all of the halogens. They are all just one electron shy of having full shells.
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Answer and Explanation: Boron has 3 valence electrons. The number of valence electrons within an atom of an element simply corresponds to an element's group (column) on the...
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Together, they make the formula LiF. Fluorine has seven electrons of it's own. Lithium gives up its one electron to make both atoms happy. So the fluorine atom has eight electrons, and a filled outer shell.
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That means there are 9 electrons in a fluorine atom. Looking at the picture, you can see there are two electrons in shell one and seven in shell two.
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It consists of PF5 molecules in which each fluorine atom is bonded to the phosphorus atom. Since each bond corresponds to a shared pair of electrons, the Lewis structure is Instead of an octet the phosphorus atom has 10 electrons in its valence shell.
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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.