Chem 111 FINAL quiz!

How many orbitals does the d block have?

How many unpaired electrons does Be₂ have?

What is the steric number for OF₂?

Is SiF₄ polar or nonpolar?

What orbital represents the quantum numbers n=3 l=2?

What is an allotrope of O₂?

Which compound is soluble: sodium chloride or lead (II) chloride?

What are the bond angles in NH₂^-?

How many unpaired electrons does O₂ have?

What is the isotope that has 11 electrons, 10 protons and 10 neutrons?

What is the step at C?

Is CHCl₃ polar or nonpolar?

How many sigma, pi and lone pair electrons are present in CO₂?

What orbitals are used to bond HBr?

What is the density of a metal that weighs 40 grams when it is in 4 L of water?

How many valence electrons are present in COH₂?

A theoretical yield of an experiment is 4.8g. When you perform the experiment, you get 2.3g. What is the percent yield?

What elements are almost always terminal atoms? Which are almost always center atoms?

How many unpaired electrons does gold have?

What is the bond order for a single bond?

Which bonds have the shortest distance between them?

Arrange in order of decreasing LE: MgO, NaCl, MgCl₂ and CaO

What is the bond order for N₂ (use MO Theory)?

What is a triple point?

Which has the highest lattice energy?

What is covalent bonding?

A solution is warming during an experiment. Is the solution exothermic or endothermic?

What is the formal charge on the nitrogen in NO₃^-?

What is the bond order for CO₃ (use lewis structure not MO theory)?

What is the name of the polyatomic anion PO₄^3-?

What is an example of a molecular solid?

Does O₂ have a single, double or triple bond?

What is the molecular shape of NH₃?

Which of the following have dipole-dipole interactions?

What is the empirical formula for a 100-g oxide if it contains 43% Fe?

How many sigma, pi and lone pair electrons are present in COH₂?

Which of the following does NOT have strong hydrogen bonding?

How many sigma, pi and lone pairs are present in HCN?

What is the hybridization of carbon in CH₄?

What is the bond order for O₂ (use MO Theory)?

What is the hybridization of oxygen in H₂O?

How many valence electrons are in the element Al?

Which has the highest electronegativity, O, N or C?

Is CO₂ polar or nonpolar?

What is the bonded atom lone pair arrangement for OF₂?

What are the bond angles in CO₂?

What is the term for moving from a solid phase to a gaseous phase?

What is the electron configuration of Cr²⁺?

Which of the following salts are insoluble?

What is the molar concentration prepared by adding .25 mol of a salt to 210 mL of water?