Which is a chemical change: dissolving sugar in hot coffee or toasting a piece of bread?
What is toasting a piece of bread?
100
What formula is: amount actually obtained from experiment/Theoretical yield x 100?
What is percent yield
100
How many valence e- does group 5 have?
What is 5 valence e-?
100
Define Isotope
What is atoms that have the same number of protons but different number of neutrons?
100
Limiting Reactant problems often have?
What are more than one starting amount, or a maximum amount or theoretical yield of one compound?
200
Give the name for BBr3
What is boron tribromide?
200
Moles divided by liters yields?
What is Molarity?
200
What is the trend for atomic radii?
What is increasing from top to bottom of a group and decreasing left to right across a period?
200
What is the most and second most stable electron configurations?
What is when every e- is paired or when shells are half filled?
200
Name the oxidation states of F, H, and O
What is -1, +1, and -2?
300
Give the name for the compound HCl
What is hydrochloric acid?
300
Atomic mass is the average of what?
What is protons and neutrons?
300
What is the trend for ionization energy?
What is increase left to right and increase bottom to top, except for groups 2 and 3 and groups 5 and 6?
300
Define entropy
What is a measure of disorder or how spread out the system's energy is?
300
Name two of the three exceptions to the octet rule
What are central atom has fewer than 8 e-(B, Be, Al), central atom doesn't have 8 e- due to an odd number, or central atom has more than 8 e- only in 3rd period or below?
400
Give the formula for acetate
What is C2H3O2-?
400
If delta G is negative you can infer?
What is spontaneity?
400
What is the trend for electronegativity?
What is F highest, O is second highest, increases left to right and bottom to top?
400
Define electron affinity
What is the energy change that occurs when an e- is added to a gaseous atom?
400
Name the difference between Einstein's equation and Planck's equation?
What is Einstein's is joules*seconds per photon?
500
Give the name for the ionic compound Hg2I2
What is mercury iodide?
500
Give the formula for bond enthalpy
What is the sum of products minus sum of the reactants?
500
List the possible orientations of the d orbital (ml)
What is -l to +l so -2, -1, 0, 1, 2?
500
Define exothermic and endothermic
What is heat given off (-) and heat required/absorbed (+)?
500
Name the geometry of a molecule with 5 electron domains and a lone pair