Does each valence shell past the first have eight or 2 on first then 8 on second and if more does it change

Q: 39. Which of the following species are trigonal planar? 1. CH4 2. NH, 3. BF A D

A: To find: Which among the molecule is having trigonal planar shape? CH4 NH3+ BF3

Q: H2 molecule is diamagnetic due to: Nb is equal to Na bond order is 1 absence of unpaired electrons O…

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Q: Arrange the following hydrogen orbitals in order of increasing rmp Select one: O a. 5s < 5p < 5d <…

A: Since you have posted multiple questions the answer for first question is given below. Kindly repost…

Q: If the charged particles are movedcloser together, does m increase,decrease, or stay the same?

A: Hi, as you have asked about m, but the diagram shows the dipole moment μ. So we are answering about…

Q: Be sure to answer all parts. Januvia, the trade name for sitagliptin, was introduced in 2006 for the…

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Q: . In 2D, draw all possible arrays of lattices. State exactly how the lattice constants and angles…

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Q: Question is attached

A: The structure of a compound guides the bond lengths, bond angles present in the molecule.

Q: H. a. Nonpolar because it is asymmetric b. Polar because it is symmetric Oc. Polar because it is…

A: Select the answer that describes this molecules polarity. Consider its shape in 3 dimensions

Q: Januvia, the trade name for sitagliptin, was introduced in 2006 for the treatment of type 2…

A: We can predict the hybridization of any molecule or atom with the help of the sum of lone pairs and…

Q: Sketch the shape of each of the σ molecular orbitals for H2+ shown in Figure 6.5 in a plane…

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Q: Which of the following four molecules are polar: PH3 OF2 HF SO3 all except SO3 .A only HF .B only HF…

A: Which of the molecules are polar?

Q: Draw sketches illustrating the overlap between the followingorbitals on two atoms: (a) the 2s…

A: The Lewis structure does not give any idea about molecular geometry but it purposed the distribution…

Q: 1. Which of the following statements about sigma electrons is NOT TRUE? a. They are strongly held.…

A: Given answer of choices, They are strongly held. They make up sigma bonds. They have higher energy…

Q: There are four conditions an atom needs to meet to participate in hydrogen bonding. It needs to be…

A: Hydrogen bonding is interaction between hydrogen atom and more electronegative atom. It is of two…

Q: s polar or non-polar

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Q: Choose the correct variants of sketches of all the bonding orbitals. sp3 1s sp 3 sp? 2p 2p 1s sp3…

A: Interpretation- Correct sketches of bonding orbitals are to be selected. Bonding in ethyl acetate…

Q: In SF4 molecule, the lp electrons occupies an equatorial position in the trigonal bipyramidal…

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Q: Choose the correct total number of electron domains (bonding and nonbonding) about a central atom if…

A: The electron domain around an atom is the number of lone pairs or bond pairs . The no.of electron…

Q: How many unpaired electrons doe the species N2* have? 2 3 1

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Q: A model for BrF3 is shown in the Jmol window. BrF3 has T-shaped geometry. ball & stick✔-+ labels…

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Q: 4. What compounds are called polyfunctional and heterofunctional? Give examples 15:42 /

A: Glucose and other monosaccharides are having more than one type of functional groups and known as…

Q: Arrange the size of Al, Al+ , Al2+, Al3+ in descending order and explain your answer.

A: The correct descending order is Al,Al+,Al2+,Al3+.

Q: b :S CEC H H C H.

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Q: The unbonded electrons take up space in a way that makes the water molecule the most stable  1.…

A: In a water molecule, there is one oxygen atom and two hydrogen atoms of which oxygen is the central…

Q: Which of the following is trigonal planar?   a.  boron trifluoride, BF3   b.  methyl anion,…

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Q: Find thsee values for cubic , triclinic , trigonal, orthombic monoclinic tetragonal hexagonal

A: Space lattices: The atoms or molecules are arranged in regular pattern in 3D. If each unit of atoms…

Q: The valence shell electronic configuration of Y3+ is 4d10 550.a O 4d0 5s0.b O 4d8 5s0.c O 4d1 5s0.d…

A: Y is the symbol for Yttrium whose atomic number = 39. Therefore, its electronic configuration is…

Q: Using your knowledge of VSEPR theory from introductory chemistry, predict the shapes of the…

A: a. VSEPR Shape of PCl3 is Trigonal pyramidal.

Q: Is allene polar or non polar

A: Allene is a 3 carbon atom containing species in which the central carbon atom is connected to other…

Q: Which of these isometric species has the largest radius. Sr2+, Se2--,Rn+,Br-

A: Which of these isometric species has the largest radius. Sr2+, Se2--,Rn+,Br-?

Q: Use the MO model to determine which of the following has the smallest ionization energy: N2, O2,…

A: Interpretation: The species having the smallest ionization energy is to be identified. Concept…

Q: Compound: Phosphorus Hexachloride electron geometry: molecular shape: bond angles: drawing of lewis…

A: A question based on atomic structure, which is to be accomplished.

Q: F₂ SCl₂ < SF₂

A: Increasing order of polarity is  F2&lt; SCl2  &lt; SF2

Q: Januvia, the trade name for sitagliptin, was introduced in 2006 for the treatment of type 2…

A: The types of orbital where the lone pair on each N atom resides are shown below.

Q: Determines the presence of lone electrons in Orbitals according to the valence bond theory magnetic…

A: According to valance bond theory , one can determine numbers of unpair electrons by arranging them…

Q: ( Ni2+ ) has the following electron configuration O [Ar] 3d10 O [Ar] 3d8 O [Ar] 4s1 O [Ar] 4s1 3d9

A: In this question we have to tell the electron configuration of Ni2+.

Q: Use VSEPR to predict the geometry of the following ion: SO32 Answer: trigonal planar linear…

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Q: HN CH H2N H.

A: The shape/geometry of an atom is determined by its hybridization.  If atom is sp3 hybridized then it…

Q: O polar O nonpolar

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Q: What are the primary and secondary valences of Fe in [FeBr2Cl2(en)]² ? Fe°:[Ar]4s²3d° O A. -2, +6 В.…

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Q: 12. In which of the following molecules or ions do all of the F atoms lie in the same plane?  Select…

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Q: Determine the number of sigma bonds of the following 9,3,6,11,5

A: Given,

Q: What is the bond angle formed by anaxial atom, the central atom, and anyequatorial atom?

A: Trigonal bipyramidal geometry is formed when the central atom is surrounded by five atoms or groups…

Q: A molecule of an unknown atom contains 22 valence electrons in total. Find the HOMO and LUMO.

A: XeF2 having 22 valence electrons . Detail MO diagram is shown below

Q: (Q69) Which of the following is the condensed ion configuration for Zn2+ cation? A) [Ar] 4s2 3d10 B)…

A: Option B is correct, [Ar] 3d10

Q: Determine the covalency of the following and put them in decreasing order:  Br₂, SO₂, NH3, HCL

A: Covalency = number of covalent bonds formed by central atom Covalency of Br in Br2 = 1 Covalency of…

Q: is there a diffrence between the formula H3C and CH3

A: The two formulas given are H3C and CH3.