Chemical Bonding Questions and Answers

Identify the correct order of decreasing magnitude of lattice energy (from largest lattice energy to smallest) for the following ionic compounds: NaBr, KBr, MgO and KI

Identify the stronger acid in each pair. HCN or HSO4- HCN HSO4 They are the same in acidic properties. H₂SO4 or HF Request Answer H₂SO4 HF They are the same in acidic properties.

What is the bond length (in picometres) of H₂ which shows the lowest potential energy? How many meters does this equate to?

Choose the CORRECT statement below. Heptane (C7H16) is immiscible with hexane (C6H12). Ethanol (C₂H5OH) is miscible in water. Sugar (a.k.a. glucose, C6H12O6) is miscible in water. NaCl is soluble in hexane (C6H12).

A compound is a group of ions bonded together with an ionic bond, so what do we call a group of atoms bonded with a covalent bond? molecular compound ions collection atoms joined ionic compound

Electronegativity is the ability of an atom to attract electrons towards itself (while holding on to its own valence electrons). Some atoms are more electronegative than others, and when they "share" electrons in bonds they do not share equally. This unequal sharing is described as: ununiformity similarities polarity opposites

Based on the electron configuration of the two atoms, predict the ratio of metal cationic (+) atom to nonmetal anionic (-) atom in the compound. Magnesium 1s²2s²2p63s² Sulfur 1s²2s²2p63s²3p4 A. 1:1 B. 1:2 C. 2:1 D. 3:1

Draw the acceptable Lewis structure for each of the following, including any formal charges. Indicate the geometry. If resonance exists, show all of the reasonable resonance structures. a. SF3+ b. SCCl₂ C. ONS-

For the compound ABC4 where A is hydrogen, B is a halogen and C is a chalcogen, a) Indicate the total valence electrons b) Draw a Lewis structure and any associated resonance structures. Other information, B is the least electronegative and can have an expanded octet. c) From your structure, what is the molecular shape of each central element d) Is your drawn structure polar or non polar

Answer the following questions about the compound: SO₂ Si is a O₂ is a The compound SO₂ is

Select all of the properties of ionic bonds. (select all that apply) Electrons are shared Formed from metals and nonmetals Formed from cations and anions Formed from nonmetals only Strongest bond Formed from metals only Weakest bond Electrons are lost from metal atoms Electrons are transferred Intermediate bond strength Formed from cations in a sea of electrons

Consider the following diatomic molecules: 0₂², O₂, and N₂³ to answer the following questions. a. Please draw the above three MO diagrams showing type of bonding (sigma/pi), and correct electron count. b. List the three molecules (0₂², 0₂, and N₂³) from part A from lowest to highest bond order ____ C. Please categorize these molecules based on magnetism. Paramagnetic: ___ Diamagnetic:___

Consider the following molecule. Draw the Lewis Structure and use the drawing to fill in the following chart: XeF2

Consider the following molecule: carbon dioxide (CO₂) What is the hybridization around the central atom? sp sp² sp3 sp³d sp³d²

Consider the following molecule. Draw the LewisStructure and use the drawing to fill in the following chart: IF3

Which statement describes patterns in how metals behave when forming ions? A. Metals tend not to lose or gain any electrons. B. Metals tend to first lose and then gain electrons. C. Metals tend to gain electrons. D. Metals tend to lose electrons.

Beryllium fluoride is an ionic compound with the following formula: BeF2 What are the charges of beryllium (Be) and fluorine (F) ions in this compound? A. Be², F¹+ B. Be¹, F²+ C. Be¹+, F²- D. Be²+, F¹-