History of the Atom
Ionic compounds
A#, Z# and Neutrons
Binary Molecular Compounds
Potpourri
100
The earliest recorded philosopher who thought about matter and how it breaks down.
Who is Democritus?
100
The name of the ionic compound with the forumla of NaCl
What is Sodium Chloride?
100
Number of protons in Potassium-40
What is 19?
100
The name of PCl3
What is phosphorus trichloride?
100
The law that states that the mass of the reactants are the same as the mass of the products.
What is the law of the conservation of mass?
200
Ideas included plumb pudding model, and the existence of electrons
Who is J.J. Thomson?
200
The formula for the ionic compound Zinc(III) Oxide.
What is Zn2O3?
200
Number of neutrons in Phosphorous-31.
What is 16?
200
The formula for the binary molecular compound Sulfur hexafluoride.
What is SF6?
200
The charge of germanium.
What is positive 4?
300
Used gold foil, and an alpha particle launching device to develop the idea of the nucleus as a dense positively charge center of an atom.
Who is Ernest Rutherford?
300
The formula for Nitrogen Chromate.
What is N2(CrO4)3
300
The Z number of an Oxygen isotope with 9 neutrons.
What is 17?
300
The formula for Silicon dioxide.
What is SiO2?
300
The charge on a permanganate polyatomic ion.
What is negative 1?
400
Theorized that electrons can only travel in set energy orbits, and that the lower the energy of an electron the closer its orbital is to the nucleus.
Who is Niels Bohr?
400
The name of the ionic compound represented by the formula (NH4)2S
What is Ammonium Sulfide?
400
The name of an element whose isotopes have a Z number of 27 and 14 neutrons.
What is Aluminum?
400
The name of N2O3.
What is Dinitrogen trioxide?
400
The law that states that compounds always contain the same elements in the same ratios by mass.
What is the law of constant composition?
500
Built upon Rutherford's ideas and proved that the existence of the neutron.
Who is James Chadwick?
500
The name of the ionic compound represented by the formula Fe(NO3)2
What is Iron (II) Nitrate
500
The z number of a chlorine atom with 20 neutrons.
What is 37?
500
NO2's common name.
What is Nitrous Oxide?
500
The man responsible for the formulation of the three basic laws of chemistry.
Who is John Dalton?
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