What form of sulfur do all of its allotropes revert to at room temperature? Rhombic O Monoclinic Elemental O Diatomic

Q: Which statement correctly describes a difference betweengraphene and graphite?(a) Graphene is a…

A: a. Is statement is wrong because graphene is not a molecule  b. This statement stands right because…

Q: geometry corresponds to a steric number of Select one: a. tetrahedral; 4 O b. trigonal bipyramidal;…

A: The structure of any covalent compound is determined using the VSEPR theory.  The steric number…

Q: The combined effect of many weak ________ interactions can be very significant in determining…

A: Biomolecules are those molecules which are essential for existence of life. These include…

Q: What are the frontier orbitals for [Pt(CN)4]2- What are the donor and acceptor orbitals? Identify…

A: Introduction- Coordination compounds- These are the compounds which contain a complex part formed…

Q: What is the molecular geometry of IC14 ? O square pyramidal O tetrahedral O seesaw O square planar

A:

Q: How to calculate octahedral voids ?

A: Given question is : How to calculate octahedral voids = ?

Q: 5. Strontium (Sr: [Kr]5s2) crystal has a mass density of 2.64 g/cm3 and a molar mass of 87.62 g/mol.…

A: Mass density = 2.64 g cm-3 Molar mass   = 87.62 g mol-1

Q: What orbitals of O shell of iodine are utilized in the bonding of iodine heptafluoride?

A: According to VSEPR theory iodine heptafluoride structure is pentagonal pyramidal .The valence bond…

Q: Is calcium sulfate square planar?

A: Square planar geometry is a three-dimensional geometry formed when there are four bond pairs and the…

Q: Answer true or false to the following (give the reason) 1. The metallic ion force depends on B.O. 2.…

A: The answer is as follows:

Q: Which of these examples is not one of the five basic geometries for molecules and ions? a.…

A: Given geometries are :  a. tetrahedral b. octahedral c.  planar triangular d. square…

Q: The bond angles in a regular polygon with n sides are equal to 180° - 360° / n a. What are the bond…

A:

Q: What are the importances of allotropic forms in product formulation?

A: Allotropy, the existence of a chemical element in two or more forms, which may differ in the…

Q: Predict the structure that TlCl would adopt if it is known that the cation radius for Tl+ is 159 pm…

A: Radius Ratio Coordination number Type of void Example < 0.155 2 Linear   0.155 - 0.225 3…

Q: Pls help on both questions.

A: Here, we have to find the shape of BrF5. Also, we have to find the correct option when 6.41 of H2S…

Q: Define the term antibonding?

A: The combination of two atomic orbitals results in the formation of molecular orbitals which are…

Q: e Close pack direction in FCC is along the diagonal on the face True False 2. Close pack direction…

A: QUES-1 TRUE QUES-2 FALSE QUES-3 FALSE   REASON FCC- ATOM PRESENT ON DIAGONAL OF FACE ALSO SO IT…

Q: Chemistry Does kbr or cacl2 have a stronger IMF? Which of the two compounds that you analyzed do you…

A: Here we have to mention which has strongest IMF between CaCl2 and KBr-

Q: 24. This is a type of covalent bond in carbon which has the greatest bond energy. A. Triple bond B.…

A: 24. The bond strength of a covalent bond is measured by the bond energy. The bond energy is the…

Q: what is the best approach to determine the dioxygen bridge structure in the artemisin molecule

A: Artemisinin is a plant-derived drug used in the treatment of malaria. The molecule artemisinin is…

Q: How many s-sp2 bonds are there in the following substance? Select one: O 2 O 12 O 4 O 3 O 5

A: s-sp2 bonds means bond between sp2 hybridised Carbon to s orbital of Hydrogen.

Q: Fullerenes were discovered earlier than graphene and led to the Nobel Prize in Chemistry for Curl,…

A: All matter can be classified as solid, liquid, and gases mainly. In these physical states of matter,…

Q: CCl4, CO2, PCl3, PCl5, SF6 Which of the following does not describe any of the molecules above?…

A: In this question we want to select incorrect geometry which doesn't not match with given Molecules…

Q: Octahedral molecules only have a single bond angle - write down its value. What angle do both the…

A: Given an octahedral shape, a square pyramid and square planer shape.

Q: Is the Mn-O bonds in MnO4- polar or non polar?  do the dipoles cancel out or no and is it…

A: Permanganate (MnO4-) is a manganese oxoanion. It is a monovalent inorganic anion. It is also the…

Q: Which of the following does not describe any of the following molecules? CCl4, CO2, PCl3, PCl5, SF6…

A: First identify the geometry of the given molecules:  CCl4, CO2 , PCl3 , PCl5 , SF6

Q: Select the correct electron domain geometry for OF2 A. trigonal planar B. octahedral C. trigonal…

A: Answer

Q: se molecular orbital band diagrams to explain why metals are good conductors but semiconductors are…

A: Introduction: We have to explain metals are good conductors but semiconductors are not. Molecular…

Q: (c) U 00 (d) Si atomic covalent network ionic metallic molecular X atomic covalent network ionic…

A: The silicon (Si) and Uranium (U) in atomic form, forms solid and these solids are categories as ;

Q: How many bonds does each carbonatom in C60 make? Based on thisobservation, would you expect…

A: Carbon has the property of catenation. It is the property of forming bonds with the similar atoms.…

Q: Dr. Mohsin AI-Y 18. Spherical and ellipsoidal carbon nanomaterials are referred to as: (a)…

A:

Q: How do the electron domains about P in P4O6 differ from those about P in P4O10?

A: Electron -Domain: By the word electron domain, we mean that the total number of electron pairs and…

Q: Shown below is a two ion pair cluster of 1-methyl-3-methyl-imidazolium tetrafluoroborate, including…

A: The three possible interactions between a two ion pair cluster of…

Q: An element with density 6.8 g cm-³, occurs in bcc structure with cell edge length equal to 290 pm.…

A: The expression for density (d) is given below: For BCC,  n = 2a = 290 pm = 290 × 10−10 cmd = 6.8 g…

Q: Identify the molecular orbitals for cyclopropenyl. Select all that apply. O π2 □ π3* Oπ₂* Oπ* 03 Oπ4…

A: when two orbital of comparable energy are mixed then molecular orbitals is formed .

Q: Define allotropy. Describe different allotropes of Carbon including  a) diamond, b) graphite and…

A: Allotropes are forms of the same element which have either exist in the same or different physical…

Q: Which MO has five nodes? Which MO has three nodes? Which MO has a net bonding of 3?

A: A point of zero electron density in an orbital is known as node. It is bordered by two or more…

Q: For each of the following pair of orbitals, draw three separate diagrams to show the linkages…

A: When head to head overlapping then sigma bond form and sidewise overlapping give pi bond and if four…

Q: MOLECULAR COVALENT SUBSTANCE LONDON DIPOLE- HYDROGEN IONIC METALLIC NETWORK DISPERSION DIPOLE BOND…

A: Within any two molecules, there is London dispersion forces.  Polar compounds has Dipole-dipole…

Q: what is the cI-O bond order for the perchlorate?  1 1 1/4 1 1/3 1 1/2 1 3/4 2

A:

Q: Determine what kind of carbon allotropes are the given pictures below based its different structural…

A: Structure 1st is  C70 fullerene  In fullerene their are 5 and 6 member rings are present each have…

Q: What is graphene?

A: Graphene is an allotrope of carbon. The carbon atoms in the graphene structure are present in a…

Q: What is the hybridization of the the phosphorus atom in phosphate? A. sp B. sp2 C. sp3 D. sp°d E.…

A:

Q: Distinguish between the two allotropes of carbon.

A: Allotropes are different forms of an single element. Carbon two forms  Are Graphite and Diamond

Q: The following cation has a total of how many resonace structures? a) 1 b) 2 c) 3 d) 4 A O D

A: Resonance is also know as mesomerism. In chemistry resonance is a way of describing bonding in…

Q: Are allotropes different from polymorphs with respect to Carbon? Give reason for your answer.

A: Polymorphism is similarly defined as isomerism, it means if structure of an ionic compound exist in…

Q: Why is graphene unique?

A: Graphene is an allotrope of carbon. The carbon atoms in the graphene structure are present in a…

Group 14 Elements

The following elements come under group 14 of the periodic table.