Identify the ions in (NH4)2Cr2O7.

Q: List the valence electrons, e.g. 2s2, 2p3, for the following compounds  a.…

A: The electrons in an atom's outer shell are known as valence electrons (VE). The valence electrons…

Q: Classify the following bonds as polar or nonpolar.    F – Cl C – S H – Br B – H Cl – S

A: When the electronegativity difference (DEN) is less than 0.5, then the bond is nonpolar covalent.…

Q: Arrange these elements according to electronegativity. N K Ga F Rb

A: The tendency of an element to attract the electron cloud towards itself can be termed as…

Q: How many valence electrons are in Na+, Cl-, Ti4+

A: Electronic configuration of Na = 1s2 2s2 2p6 3s1 Hence, the outer most shell is L that contains…

Q: Which compound contains the most polar bond? (A) (B) (C) (D) O Compound D O Compound C O Compound A…

A: The covalent bond is formed by the sharing of the elections. If the electronegativity of the atoms…

Q: Which atom in the C-F bond has a partial positive charge (δ⁺)? A) C B) F C) Both D) Neither

A: In C-F bond , carbon atom has S+ partial positive charge.

Q: Which one of the compounds below is most likely to be ionic? A. CaH2 B. NO2 C. SF4 D. H20

A:

Q: Would you expect KCl to dissolve in water?

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

Q: 4> 134. Although both Br3 and Iz ions are known, the F3 ion has not been observed. Explain. 101 ond…

A: Fluorine, iodine and bromine  all belongs to the same group. As we know that, Fluorine is the first…

Q: Is nf3 trigonal planar

A: The molecule given is NF3  Since the electronegativity of N is less than F hence the centre atom is…

Q: is ALCl3 covalent or ionic?

A: Ionic bond = is a combination of metal and nonmetal  Covalent bond = combination of 2 nonmetal  For…

Q: paramagnetism is present when an element, ion or molecule has unpaired electrons? true or false and…

A: Answer: Given statement is True.

Q: Is CN- ion likely to be a stable molecular ion?

A: The ions are stable, when the octet rule is satisfied. The atoms prefer to have eight valence…

Q: a)why do the ionic species XeF+3 and XeF-7 have odd numbers of F atoms? b) Predict the shape of…

A: The term electronic configuration can be defined as the distribution of electrons of a given atom or…

Q: what are the colors of CoCl2 and CoCl2-6H2O?

A: CoCl2 is an anhydrous cobalt (II) chloride salt, while CoCl2.6H2O (cobalt (II) chloride hexahydrate)…

Q: Which of the following atoms will form a +2 ion? A. Li B. Al C. Mg D. O E. Br

A: Atoms can either lose or gain electrons , so that it outermost valence shell has eight electrons…

Q: Which atom(s) would have two lone pairs? II NH2 HN" IV HO OH II

A: Oxygen atom has 6 electrons in valence shell. When it is bonded to two atoms there will be 4…

Q: 23) Which molecule has only covalent bonds? A) CO2 B) Al2O3 C) M93N2

A: Atoms involved in a chemical reaction are required to obtain the electron configuration of an inert…

Q: How many covalent bonds are predicted for each atom: (a) F; (b) Si; (c) Br; (d) O; (e) P; (f) S?

A:

Q: Name these binary covalent compounds: (a) NO2 (b) PBr3 (c) SCl2 (d) BF3

A: Name these binary covalent compounds: (a) NO2 (b) PBr3 (c) SCl2 (d) BF3

Q: b. :Cl- c. с. :F

A: To find what is wrong with the lewis dot structure of the following compound

Q: compounds are ionic and which are covalent

A:

Q: Which compound listed below would require the least energy to separate it into gas phase ions? KBr…

A: The energy required to seprate an ionic compound into gaseous phase ion is called lattice energy.…

Q: Is NH3 covalently bonded?

A: Covalent compounds are formed by sharing of electrons in between two or more atoms. In the covalent…

Q: Which atom(s) would have two lone pairs? NH2 II II но IV OH

A:

Q: Fe(H2O)]Cl3. The bonding between hexaaquairon(III) and chlorid etallic nic

A: B option is correct. Ionic bond

Q: Which of the following compounds requires the most energy to convert one mole of the solid into…

A: Lattice energy depends on two factors; those are charge and ionic radii. The anion charges are the…

Q: Which atom(s) would have two lone pairs? II NH2 II НО OH VI

A: ★ Answer : Correct option is  A)  I  Oxygen has two lone pairs.

Q: Are [Co(NH3)4Cl2]Cl and [Co(NH3)4Cl]Cl2 isomers of each other? If so, what type of isomers are they?

A: Interpretation :  We have to tell whether these are isomers or not .

Q: What aspect of the following Lewis structure gives you a "hint" that the concept of coordinate…

A: The electron dot formula shows the valence electrons which form the bond between the atoms in a…

Q: Count the total number of valence electrons in the following species: a. OF2 b. HCCl3 c. NH2Cl

A: Given  Molecule = OF2 , HCCl3 , NH2Cl Total number of valence electron = ?

Q: What shape is an ammonia Molecule, NH3

A: Molecular geometry is the three dimensional arrangement of the atoms that combine to form a…

Q: What is the formula of a compound containing Ba²⁺ and N³⁻ ions? a)Ba2N3 b)Ba3N c) BaN3 d)Ba3N2

A: Ionic compounds are the neutral compounds in which the positively charged ions (cations) and…

Q: Which of the following sets contains an ionic compound, a molecular compound, and an acid, in that…

A: Ionic compounds form when a metal and non-metal combines that is in between a cation and an…

Q: Which molecule would be considered to have a non-polar covalent bond? O2 b) SO2      c) NH4Cl…

A: There are two types of covalent bond on the basis of polarity; polar covalent and non-polar…

Q: 7. Which families or groups are likely to form the following ions? a. +1 b. -1 C. +2 d. -2 e. +3

A: ->Ions are formed when element loose or gain electrons. ->If element loose electron then…

Q: both ionic and covalent bonding? A co,2- co,²- со, CO 2 C) © CoC,04 D Соо B

A:

Q: Explain why 02 is paramagnetic but N2 is diamagnetic, despite both having all electrons paired in…

A: O2  is paramagnetic while N2 is Diamagnetic due to the following reason.

Q: What is the charge of : MoF6 NH3 CBr4 SO3

A: As we can assume net charges on all species are zero.   1.) MoF6 : All Fluorine is having -1…

Q: How much d valence electrons is in Ru?   [Ru(NH3)4Cl2]Br

A: The atomic number of ruthenium is 44, hence the ruthenium atom has 44 electrons.

Q: The bonds are stronger in either the TiCl4(g) or the CCl4(g)? What is your reasoning?

A: The molecules TiCl4 and CCl4 both show the same molecular shape which is the tetrahedral shape. Both…

Q: 5. Which of the following ions would be least likely to form colored compounds? (a) Cu*2 (b) Cr2 (c)…

A: Y3+ is least likely to form coloured complex.

Q: Using the VSEPR model, the electron pair arrangement around the central atom in SF2 is ________

A: The bond angles depend on the number of lone electron pairs. For example, boron trichloride has no…

Q: 16. Which one of the following is most likely to be a covalent compound? E) CaSO4 A)KF B) CaCl₂ C)…

A: The compound forms between metal and nonmetal is ionic compound. and the compound formed between…

Q: What is the chemical formula of difluoride heptasulfide? * a. FS, b. F2S6 А. c. F2S7 d. F,S2 D. B.

A: Chemical formula: Chemical formula can be described as representation of Chemical composition of…

Q: The bond of Ni2Mg is more metallic than CuAl2   True or False?

A:

Q: Which atom in the S-CI bond has a partial positive charge (o*)? A) S B) CI C) Both D) Neither

A: The details solution for this is provided below in attach image.  The partial charge on which atom…

Q: Part A)   Out of the following, the species with a single covalent bond is:   (a)   CO…

A: