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Atoms/Periodic Table
Bonding/Moles
Phys. Behavior of Matter
Acids/Bases
Best of the Rest
100
The atomic number of an atom is the number of these.
What are protons?
100
These are the bonds that hold CsF together.
What are ionic bonds?
100
This phase change is from gas to liquid.
What is condensation?
100
These give off hydronium ions (H3O+) when dissolved in water.
What are acids?
100
Ernest Rutherford's gold-foil experiment proved that atoms are made mostly of this.
What is empty space.
200
These are atoms of the same element that have different number of neutrons.
What are isotopes?
200
These are the bonds that hold N2 together.
What are nonpolar covalent bonds?
200
This is the freezing point of water in Celsius.
What is 0C ?
200
These give off hydroxide ions (OH-) when dissolved in water.
What are bases?
200
These hydrocarbons are saturated, as they have no double or triple bonds.
What are alkanes?
300
This is the ability of an atom to attract electrons in a chemical bond.
What is electronegativity?
300
These are the bonds that hold H2O together.
What are polar covalent bonds?
300
This is the average kinetic energy of a sample of matter.
What is temperature?
300
This chemical indicator has the lowest (most acidic) range for pH change.
What is methyl orange?
300
This class of organic compounds have -OH as the functional group.
What are alcohols?
400
This is the energy required to remove an atom's most loosely held electron.
What is first ionization energy?
400
There are this many moles in 65 grams of HBr.
What is 0.8 moles?
400
It takes this many Joules to heat a 10g sample of H20(l) from 50C to 55C.
What is 209 J ?
400
A 20mL sample of 1M KOH is used to neutralize 33mL of an unknown concentration of HNO3. This was the molarity of HNO3.
What is 0.6M ?
400
This type of nuclear reaction occurs when a larger nucleus is split in two, releasing energy.
What is nuclear fission?
500
This is the "new" school model of the atom that shows electrons in specific regions called "orbitals".
What is the Wave Mechanical Model?
500
A 4.5 mole sample of Al2(CO3)3 would weigh this many grams.
What is 1053 grams?
500
This is the boiling point of water in Kelvins.
What is 373K ?
500
This is the name of an experiment that uses a buret to figure out the unknown concentration of a solution.
What is a titration?
500
This is the chemical formula for calcium phosphate.
What is Ca3(PO4)2 ?