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Which molecular shape has two lone pairs and two bonding pairs of electrons around the central atom?
Wiki User
∙ 10y ago
linear
Wiki User
∙ 13y ago
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How many lone pairs are around the central atom in H2O?
H-O-H Well, the hydrogens bring a total of two valance electrons to the mix and the oxygen contributes six, so the total valance electrons = 8 4 are used in the two bonds, so 8 - 4 = 4 Two lone pair, one above and one below the oxygen in the Lewis dot structure.
What subatomic particles is involved in the chemical bonding?
Atoms are made up of a central nucleus containing protons and neutrons, and electrons moving around outside of the nucleus. These electrons are relatively far away from the nucleus and thus are the first particles that would notice if another atom was around. Therefore, when a compound is formed, the electrons are the ones that make it happen.
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 molecular geometry around the central atom of a phosphorous trifloride molecule?
tigonal pyramidal
What is the number of lone pairs around the central atom and the molecular geometry of scl2?
angular with 109.5 degree
How many unshared electrons and bonding electrons exist around the central atom in ozone O3?
two, six
If all of the electron groups around a central atom are bonding groups (that is there are no lone pairs) what is the molecular geometry for two electron groups?
linear
How is molecular geometry predicted?
it may be predicted either by no of electrons around the central atom of the molecule or by type of hybridization process of orbirals of central atom....
What is the definition of lone pairs of electrons?
The lone pair electron region is the place around the central atom where electrons not bonding with another atom can be found. A lone pair of electrons are electrons that are not bonded with other atoms.
A molecule having four total electron groups around the central atom has three bonding electron groups and one nonbonding electron group what is its molecular structure?
trigonal pyramidal
Which electrons are involved in bonding'?
At times the electrons involved in bonding are shared equally between the nuclei of two atoms and the bond is called a pure covalent bond. More often, however, the sharing is unequal and the electrons spend more time around the nucleus
Why does the presence of lone pairs contribute to the polarity of a water molecule?
How do lone pairs around the central atom affect the polarity of the molecule?
What are the postulates of molecular orbit theory?
Molecular Orbital Theory (MOT):•Basic idea of MOT is that atomic orbitals of individual atoms combine toform molecular orbitals. Electrons in molecule are present in themolecular orbitals which are associated with several nuclei.•The molecular orbital formed by the addition of atomic orbitals is calledthe bonding molecular orbital (s ).•The molecular orbital formed by the subtraction of atomic orbital is calledanti-bonding molecular orbital (s*).•The sigma (s ) molecular orbitals are symmetrical around the bond-axiswhile pi (p ) molecular orbitals are not symmetrical.•Sequence of energy levels of molecular orbitals changes for diatomicmolecules like Li2, Be2, B2, C2, N2 is 1s < *1s < 2s< *2s < ( 2px = 2py)
What does the vsepr theory explain for covalent bonds?
VSEPR theory explains the geometry around a central atom in terms of repulsion beween pairs of electrons, pairs involved in bonding and lone pairs.
What type of bonding around a central would result in a trigonal planar molecule -apex?
3 atoms around a central atom with no lone pairs.
How do you determine the shape of molecules?
The shape of molecules is determined by the number of bonding and non-bonding electron pairs around the central atom. The VSEPR (Valence Shell Electron Pair Repulsion) theory is commonly used to predict molecular geometry based on electron pairs' repulsion. The arrangement of these electron pairs results in different molecular shapes such as linear, trigonal planar, tetrahedral, and more.
Meaning of non bonding electron bond?
As a start: Electrons that are not share between atoms. covalent bonds along with pie bonds require two electrons per bond. the two electrons in the bond are shared electrons or bonding electrons. Atoms such as oxygen and nitrogen have electrons that are not part of a bond. Oxygen is in group VI so it wants to have 6 electrons around it. it gets 2 of its electrons from bonds. the other 4 come from non bonding electrons or two pair of electrons. Nitrogen is in group V so it only wants 5 electrons. Thus, it has three bonds and one non bonding electron pair.
