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In NF3, the Nitrogen atom has 5 valence electrons and each Fluorine atom shares 1 more electron with Nitrogen. That makes 8 electrons (4 pairs of electrons) around Nitrogen. Betweent the four electron pairs, 3 pairs are bonded with Fluorine and the other one is a lone pair.
Therefore around the central atom Nitrogen, there are three Fluorine atoms and a lone electron pair.
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What circumstances is the molecular geometry around a central atom the same as the electron group geometry around the central atom?
The molecular geometry around a central atom is the same as the electron group geometry when there are no lone pairs of electrons on the central atom. In such cases, all electron groups (bonding pairs) are arranged symmetrically around the atom, leading to identical geometries. This typically occurs in molecules with linear, trigonal planar, or tetrahedral arrangements, depending on the number of bonding pairs.
What is the hybridisation state of central atom in nh3 and bf3?
The central atom of ammonia is nitrogen and it has 3 bonding pairs and a lone pair around, hence it undergoes sp3 hybridization. The central atom of boron trifluoride is the boron atom, and around it has only three bonding pairs. So it hybridizes as sp2.
What is the number of lone pairs around the central atom and the molecular geometry of scl2?
angular with 109.5 degree
What is a consequence of a electron's repulsion around an atom?
The atoms sharing the electron pairs will spread out around the central atom.
How you can predicted hibridization of the central atom?
To predict the hybridization of the central atom in a molecule or ion, you can use the formula: hybridization = (number of valence electrons on central atom + number of monovalent atoms attached to the central atom - charge)/2. This will give you the approximate hybridization state of the central atom based on the number of regions of electron density around it.
Why are covalent molecules shaped like they are?
The electrons pairs around the central atom arrange themselves as far a part as possible so the other atoms become attached around the central atom having specific orientation so molecules have a particular geometry.
What type of bonding around a central would result in a trigonal planar molecule -apex?
A molecule with a trigonal planar geometry around a central atom typically results from having three bonding pairs of electrons around the central atom, forming a flat triangle. This is commonly seen in molecules with sp2 hybridization, such as those with three sigma bonds and no lone pairs around the central atom.
What is the steric number of BrF3 central atom?
The steric number of the central bromine atom in BrF3 is 5. This is because BrF3 has 3 bonded fluorine atoms and 2 lone pairs on the bromine atom, giving a total of 5 electron domains around the central atom.
What circumstances is the molecular geometry around a central atom the same as the electron group geometry around the central atom?
The molecular geometry around a central atom is the same as the electron group geometry when there are no lone pairs of electrons on the central atom. In such cases, all electron groups (bonding pairs) are arranged symmetrically around the atom, leading to identical geometries. This typically occurs in molecules with linear, trigonal planar, or tetrahedral arrangements, depending on the number of bonding pairs.
In a tetrahedral molecule how many unshared pairs of valence electrons does the central atom have?
In a tetrahedral molecule, the central atom has 0 unshared pairs of valence electrons. The central atom forms four chemical bonds with surrounding atoms, resulting in a total of 4 electron pairs around the central atom.
Does an atom contain molecules?
No. Molecules are made of atoms, not the other way around. E.G. A MOLECULE OF WATER IS MADE OF 2 HYDROGEN ATOMS BONDED TO A CENTRAL OXYGEN ATOM. SO HERE, 1 MOLECULE HAS 3 ATOMS.
Write the VSEPR formula for the nitrogen atom as the central atom in glycine?
The VSEPR formula for a nitrogen atom as the central atom in glycine is AX3E, which corresponds to trigonal pyramidal geometry. Nitrogen has three bonded atoms (A) and one lone pair of electrons (E), resulting in a total of four electron groups around the central nitrogen atom.
How many of the following molecules have sp3d2 hybridization on the central atom SeCl6 XeCl4 IF5 AsCl5?
Two of the molecules listed, IF5 and AsCl5, have sp3d2 hybridization on the central atom. SeCl6 and XeCl4 have sp3d3 hybridization.
What type of bonding around a central atom would result in trigonal planar molecule?
Three groups bound to it with no lone pairs
What does the vsepr theory explain for covalent bonds?
The VSEPR theory explains how the geometric arrangement of atoms around a central atom in a molecule affects the molecule's shape. It helps predict the shape of molecules based on the number of electron pairs (both bonding and non-bonding) around the central atom.
Would ICl4- AsF5 and BrF5 be polar or ionic?
ICl4- is polar due to the unequal distribution of charge around the central atom. AsF5 and BrF5 are both polar molecules due to the asymmetrical arrangement of atoms around the central atom. None of these compounds exhibit ionic characteristics as they involve covalent bonding.
In methane the total number of groups of electrons on the central atom is?
There are four pairs of electrons around the central carbon atom of methane. These pairs each consist of one electron originally from the carbon and one from the hydrogen atom bonded to it.Though the question only considers the outer shell of electrons, as that is the only shell used for bonding, it may be useful to remember that in methane the carbon atom has a total of ten electrons around it, due to its two inner electrons.
