Briefly describe how to use the electron dot symbols of main group elements to determine the number of bonds they usually make.

Q: The boron trifluoride molecule is depicted as having three single bonds and an electron-deficient…

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Q: Predict the order or increasing electronegativity from the following elements:Cs, At, Tl, I

A: The electronegativity of elements has to be arranged in increasing order.

Q: Ultraviolet spectroscopy can be used to detect     hydrogen environment     ion mass     pi…

A: Given option hydrogen environment ion mass pi electron structure bond vibration Used Method =…

Q: Is this the symbol for sigma? When used in conjunction with a superscript + or -, what does it say…

A: The symbol given is δ.

Q: Formal charge and electronegativity aids in providing insight on which portion of a molecule has a…

A: Electronegativity  can be defined as the tendency of an atom to attract shared pair of electrons…

Q: Describe the vertical and horizontal trends in electronegativity (EN) among the main-group elements.…

A: To find: Describe the vertical and horizontal trends in electronegativity (EN) among the main-group…

Q: how is the electronegativity of an element related to its bonding capacity

A: Electronegativity of the element is define as the tendency to attract the shared paired of the…

Q: How do the Lewis structure and the positionsof valence electrons affect the shape of the…

A: The Lewis structure and the positions of valence electrons affect the shape of the covalent…

Q: Complete the Lewis structure for this species: CO2 Enter the total number of valence electrons in…

A: Given species is : CO2  Lewis structure of CO2 = ? And  Valence electrons in CO2 = ?

Q: Would you expect KCl to dissolve in water?

A: Like dissolves like. Polar molecules gets dissolved in polar solvent.

Q: 1. Draw the Lewis Structure of the following molecules and determine the formal charge of each atom.…

A: As you not specify so I am giving answer of first 3 question Formal charge is which comes after gain…

Q: Write electron configurations for the most stable ion formed by each of the elements Mg, Ba, O, and…

A: Electron configuration for the most stable ion of Mg Atomic number of Mg = 12 Mg = 1s2 2s2 2p6 3s2…

Q: (e) Chemical bonds can also be classified as single or number of according to the

A: ANSWER IS

Q: 7. Al2O3 8. FeCl3

A: Geometrical shape is determined by the number of bonding pairs of electrons and the lone pair of…

Q: Briefly discuss the phenomenon by which a molecule can be represented by more than one Lewis…

A: Sometimes, bonding in some molecules or ions cannot be described by a single lewis structure, for…

Q: The molecule ammonia has the following Lewis structure. What shape best describes the shape of this…

A: Nitrogen has one lone pair on it and three pairs of bonded electrons that are paired to three…

Q: Determine the percentage ionic character of HI bond.

A: Electronegativity of Hydrogen (XA) = 2.1 Electronegativity of Iodine (XB)       = 2.66 Percentage…

Q: What feature of a Lewis structure can be used to tell if a molecule’s (or ion’s) electron-pair…

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Q: Relate the number of electrons in an atom’s valence shell to its chemical stability and ability to…

A: In periodic table, group 18 noble gas element is most stable element because they have completely…

Q: The following Lewis diagram represents the valence electron configuration of a main-group element.

A: The Lewis diagram of the element is given as

Q: NF3 CS2 Substance H2O2 于 Lewis structures Number of 2 bonding groups Number of lone 2 pairs Number…

A: As asked by you, answering for NF3 molecule. Lewis structure: Number of bonding groups =3

Q: How does the Lewis model for covalent bonding account for the relatively low melting and boiling…

A: Covalent Compounds are formed by the sharing of electrons of the valence shell of the atoms whereas,…

Q: Draw Lewis electron dot diagrams for the following species, indicating formal charges and resonance…

A: Lewis electron dot diagram represents the valence electrons in the given species as dots. In…

Q: The terms purely covalent and polar covalent are used to describe covalent bonds. Explain the…

A: The attractive force that binds the molecules or ions together in a compound is termed as a chemical…

Q: Contrast the two general types of chemical bonds in terms of the mechanism by which they form. Own…

A: Ionic bond : it is formed by complete transfer of electron(s) by one atom and receive by another…

Q: The best lewis dot structure of the NO2 molecule has A. an unpaired electron on the nitrogen atom…

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Q: Why are there no Pauling electronegativity values for He or Ne?

A: The ability of an atom to pull electron or electron density towards itself is called…

Q: The caffeine molecule is shown below. Indicate the electron geometry AND the molecular shape around…

A: "A" denotes a carbon atom. This Carbon atom has 3 sigma bonds here in the caffeine molecule.…

Q: Draw the Lewis structure of SO₂ (by following the octet rule on all atoms) and then determine the…

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Q: Rank the following in order of increasing bond length:single bond, double bond, triple bond

A: Given information: single bond, double bond, triple bond

Q: Writing Lewis Structures Many Lewis structures can be drawn by inspection but a system helps to draw…

A: The skeleton structure of the major atoms with single bond between each other has to be drawn,

Q: How does bond length, valence, bond dimensionality and nature of bonding affect melting point?

A: Bond length can be understood as the strength between two atoms. So if the strength between two…

Q: Identify the following bonds in the correct order in terms of decreasing polarity

A: Electronegativity:- It is the tendency of an atom to attract shared pair of electrons jn a bond.…

Q: What is the maximum number of double bonds that a nitrogen atom can form?

A: -> Nitrogen valence electron in nitrogen is 2s2,2p3. That is total 5 valence electron. ->it…

Q: Use the group structure of the periodic table to predict the empirical formulas for the binary…

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Q: State  five conclusions  that can  be made from the resonance theory

A: Theory of resonance is the theory by which the actual normal state of a molecule is represented not…

Q: How does electronegativity determine bond polarity?

A:

Q: Describe the trend in electronegativity:

A: Electronegativity is defined as tendency of atoms to attract the shared pair of electrons towards…

Q: Compile the Lewis electron-dot formula for hydrogen sulfide, sulfite & sulfate ions. Show which ones…

A: The arrangement of the species valence electrons on all sides the species and the electrons are…

Q: ) i. Ammonia, NH3 is a toxic colourless gas with a distinct pungent smell. By using Valence Shell…

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Q: The number of nonbonding electron pairs in NH3 and NH4* are and respectively.

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Q: Describe what are the periodic trends in electronegativity?

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Q: What are three centered bonds? Give examples of each

A: The bonding of three atoms by one electron pair in a molecular orbital from with the overlap of…

Q: Explain the concept of Bond Breaking and Bond Making ?

A: The interaction between two atoms resulting in the formation of compounds is called bond.

Q: write the lewis structure of the molecule including the resonance forms, and the formal charges. the…

A: In Lewis structure, also known as Lewis dot structures, we represent the electrons as a dot. A…

Q: Explain the trend for electronegativity both down a group and across the period. Relate the…

A: Electronegativity is a term that describes an atom's tendency of attracting electrons towards…

Q: how many valence electrons does hydrogen carbonate have?

A: valence electrons are the electrons present in the outermost shell of the atom.