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The atomic number of an atom is equivalent to which of the following?
The atomic number of an atom is equivalent to the number of protons in its nucleus.
What is the mass number of a atom?
the mass number is number of protons in an atom, plus the number of neutrons.
What is the Molecular Shape for COS?
The molecular shape of COS (carbonyl sulfide) is linear. This is because the central carbon atom is bonded to the oxygen atom through a double bond and to the sulfur atom through a single bond, with no lone pairs on the central atom.
How many lone pairs of electrons exist on the central atom in ammonia NH3?
There is one lone pair of electrons on the central nitrogen atom in ammonia (NH3).
What determines the element that an atom belongs to?
The number of protons in the atom's nucleus determines the element that the atom belongs to. This number is known as the atomic number and is unique to each element. By identifying the number of protons in an atom, we can determine its elemental identity.
What is the steric number of NO2?
The steric number of NO2 is 3, which is calculated by adding the number of atoms directly bonded to the central atom (N) and the number of lone pairs on the central atom. In this case, the nitrogen (N) atom is directly bonded to 2 oxygen (O) atoms and has 1 lone pair, giving a steric number of 3.
What is the steric number of carbon disulfide?
The steric number of carbon disulfide is 2. This is because carbon has two bonded atoms (sulfur), and there are no lone pairs around the central carbon atom. The steric number is determined by the sum of bonded atoms and lone pairs around the central atom.
How can one determine the orbital hybridization of an atom in a molecule?
To determine the orbital hybridization of an atom in a molecule, you can look at the atom's steric number, which is the sum of the number of bonded atoms and lone pairs around the atom. The hybridization is determined by the steric number according to the following guidelines: Steric number 2: sp hybridization Steric number 3: sp2 hybridization Steric number 4: sp3 hybridization Steric number 5: sp3d hybridization Steric number 6: sp3d2 hybridization By identifying the steric number, you can determine the orbital hybridization of the atom in the molecule.
How many have sp3 hybridization on the central atom out of SiCl4 BrF5 AsF5 BrF3?
Out of SiCl4, BrF5, AsF5, BrF3, only SiCl4 has sp3 hybridization on the central atom, which is silicon. SiCl4 has four regions of electron density around the central silicon atom, leading to sp3 hybridization. The other compounds have different geometries and hybridizations: BrF5 and AsF5 have sp3d2 hybridization, while BrF3 has sp3d hybridization.
What is the geometry of methanol?
It has a tetrahedral structure: there are three atoms of hydrogen attached to the central atom (carbon) as well as an oxygen. There are no lone pairs on the carbon. This will result in a steric number of 4.
Which electron-pair geometry corresponds to a steric number of 4?
steric number of an atom(for example the N of NH4) within a compound is calculated by adding up the number of atoms bonded to that atom(H's bonded to the N) plus the number of lone electron pairs (in this case none, because N's 2p shell is now full, rendering it a stable molecule). This gives NH4 a steric number of four. The positive charge comes from the additonal H+
What is VSEPR structure of c3h7f?
The VSEPR structure of C3H7F (propyl fluoride) is a tetrahedral shape. Carbon is the central atom with three hydrogen atoms and one fluorine atom attached to it. This arrangement follows the steric number of 4, leading to a tetrahedral geometry.
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.
How to determine the hybridization of the central atom in a molecule?
To determine the hybridization of the central atom in a molecule, you can use the formula: hybridization number of sigma bonds number of lone pairs on the central atom. Count the number of sigma bonds and lone pairs around the central atom, then use this formula to find the hybridization.
How can one determine the hybridization of the central atom in a molecule?
To determine the hybridization of the central atom in a molecule, you can use the formula: hybridization number of sigma bonds number of lone pairs on the central atom. Count the number of sigma bonds and lone pairs around the central atom, then use this formula to find the hybridization.
The letter A in a VSEPR formula represents the?
The A represents the central atomand always has an implied subscript one.The X represents the number of sigma bonds between the central atoms and outside atoms. Multiple covalent bonds (double, triple, etc) count as one X.The E represents the number of lone electron pairs surrounding the central atom. The sum of X and E, known as the steric number, is also associated with the total number of hybridized orbitals used by valence bond theory.
What is the Preferred geometry of molecule BrF3?
The preferred geometry of molecule BrF3 or bromine trifluoride is a planar "T-shaped" molecule. This is due to the two lone pairs of electrons on bromine, which cause a repulsion from the fluorine atoms.
