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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 the nucleus of the atom.
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 is the mass number of a atom?
The mass number of an atom is the sum of the number of protons and neutrons in the nucleus of the atom. It is typically represented by the letter "A" in nuclear chemistry notation.
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 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?
The electron-pair geometry corresponding to a steric number of 4 is tetrahedral. This means that there are four electron pairs around the central atom, which results in a molecular geometry with bond angles of approximately 109.5 degrees.
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.
The letter A in a VSEPR formula represents the?
The letter "A" in a VSEPR formula represents the central atom surrounded by its ligands in a molecular structure. It signifies the central atom's position in the molecular geometry and helps determine the overall shape of the molecule.
What is the Preferred geometry of molecule BrF3?
The preferred geometry of BrF3 is T-shaped, with the bromine atom at the center and three fluorine atoms arranged around it. This molecular geometry is determined by the repulsion between the lone pair on the bromine atom and the bonding pairs of electrons.
What is the electron domain geometry of BrF3?
The electron domain geometry of BrF3 is T-shaped. It consists of two bonding domains and three lone pairs of electrons around the central bromine atom, resulting in a T-shaped molecular geometry.
What are the geometric isomers for BrF3?
The geometric isomers for BrF3 are cis and trans isomers. In the cis isomer, two fluoride atoms are on the same side of the bromine atom, while in the trans isomer, the fluoride atoms are on opposite sides of the bromine atom.
What determine the molecule geometry of a molecule?
Consider: Number of bonding domains on the central atom Number of non-bonding electron pairs (lone pairs) on the central atom
