Is the Lewis structure shown for CaF2 correct or incorrect? Drawing the structure again on your scrap paper can help you find the answer. 2+ Ca²+ 2 [F]

Q: Identify the compound or element with metallic bonding.   He H2O S Li NaCl

A: There are different type of compounds in which different type of bonds are present , and according…

Q: What is represented by the chemical formula pbc12(s)

A:

Q: FeCl2FeCl2 Express your answer as an ion.

A: The given compound is FeCl2.   The reaction between metal and non-metal involves ionic bond. In a…

Q: Which one of the following compounds is covalent? NH 4 Cl Fe(NO 3 ) 3 HF CuO NaCl

A:

Q: The enthalpy change for the reaction between two molecules of carbon oxysulfide (COS) to form one…

A: Enthalpy change= -3.2* 10-24 KJ Convert KJ to KJ/mol = -3.2* 10-24 * 2* 6.023* 1023 = - 3.85472…

Q: Draw the Lewis Structure of NO31 (OR N O3 minus). How many resonance structures can you draw?

A:

Q: Which compounds have nonpolar covalent bonds, which have polar covalent bonds, and which have ionic…

A: Electronegativity is the tendency of an atom gives chemical element to attract shared electrons to…

Q: AL, TI, SR 1. Identify which element (from above) will have the largest atomic radius 2. Identify…

A: 1. Atomic radius: The atomic radius of an element decreases as we move from left to right in a…

Q: K3PO4 + Al(NO3)3

A: A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and…

Q: B(OH)3 has an incomplete octet around the boron atom.Draw the Lewis structure of B(OH)3.

A: Lewis structure of a molecule is the electron dot structure which represents all the atoms, bonded…

Q: What is the formula of the compound formed between the ions Ca2+ and CrO42-?

A: The objective of this question is to determine the formula of the compound formed between the ions…

Q: Which of the following bonds is most polar? Si-F Si-Br O Si-CI Si-S O Si-O

A: The higher the electronegativity difference between the atoms of a compound, more the compound is…

Q: Suppose a chemist discovers a new metallic element and names it "Xhaustium" (Xh). Xh exhibits…

A: Xh(s) + F2(g) → XhF2(s)   Lattice energy for XhF2 -2140. kJ/mol First Ionization energy of Xh…

Q: Write the chemical formula for this molecule: Cl S Cl

A: The given structure contains sulfur, oxygen and chlorine

Q: Covalent compounds. Provide either the correct chemical formula or chemical name of the given…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: The energy for the following reaction was measured to be -977.2 kJ/mol. Ba(g) + O(g) → BaO(s). Using…

A:

Q: Which of the following may form +1 or +3 ions, depending on the conditions?  Gold Potassium…

A: Which element form +1 or +3 ions, depending on condition:

Q: Explain how to write the chemical formula for sodium (Na +) and the polyatomic ion carbonate…

A: Concept: Ionic compounds are formed by the transfer of electrons. The cations are formed by the…

Q: MgBr +. H2C=O

A: Attack of grignard reagent as nucleophile  Protonation leading to the formation of final products.

Q: A substance has a low melting point (i.e. below room temperature). It does not conduct electricity…

A: Metals (due to free electrons) and ionic compounds (in aqueous medium produce ions) conduct…

Q: Draw the two best Lewis dot resonance structures of OCN⁻ and explain which one is the better of the…

A: The Lewis dot structure for OCN- is as follows:

Q: Which of the following compounds is expected to have the highest melting point? MgO BaS CaCl2…

A: The lattice energy or lattice enthalpy of a solid substance is the amount of energy required to…

Q: What are the three possible ways the atoms could be connected in C3H8O

A: Explanation- A structural isomer, also known as a constitutional isomer, is one in which two or more…

Q: Draw the Lewis Structure of NO21 (OR N O2 minus). How many resonance structures can you draw?

A: Draw the Lewis structure of NO2-. How many resonance structures we can draw.

Q: Given the bond enthalpy information below, calculate the Δ H of the following hypothetical reaction:…

A:

Q: What is the electron configuration of Co²⁺?

A:

Q: NaCl is a composite material because it has both Na and Cl. True or False?

A: Given: NaCl is a composite material because it has both Na and Cl

Q: Draw the Lewis model for Na+

A: Since Na has atomic number 11 hence it will have 1 valence electron  And since Na+ will be formed by…

Q: Name the following Na2SO4

A: Na2SO4 is made up of two type ions that are sodium ion and sulfate ion. The charge on sodium ion is…

Q: Draw the Lewis structure for the phosphorus pentafluoride (PF3) molecule.

A: The Lewis dot structures can be written according to the following steps:The total number of…

Q: (d) 0.15 MCa(CIO3)2 lons: CIO,2- O CIO- CIO2- O Ca2+ O Ca* O CIO3 [cation*] = i M [anion] = i M

A: Cation is a species containing more of protons than electrons. Thus, they possess a positive charge.…

Q: Are the bonds in NH4+ ionic or covalent bonds? Explain your answer.

A: The ammonium ion is formed by protonation of ammonia molecule as follows: NH3 + H+  →NH4+⏟Ammonium…

Q: Of the following halogens, which would be most stable as the central atom. F Br Cl l

A: An atom is made up of three major subatomic particles: electrons, protons and neutrons. Protons and…

Q: Draw the lewis structure of BF3

A: The Lewis structures are also called electron dot structures. In the Lewis structure, electrons are…

Q: If Oxygen has an atomic number of 8, then how many protons would a molecule of water (H2O) contain?…

A: The number of protons of the atom is equal to the atomic number. The number of electrons in a…

Group 14 Elements

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