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24 Cards in this Set

  • Front
  • Back
Developed the Periodic Table we use today
Mosley
Discovered the nucleus with alpha particles
Rutherford
Discovered atoms contain negative charges
Thompson
Postulated the existance of the atom
Democrities
Developed the atomic theory
Dalton
Stated that electrons circle the atom in fixed orbitals
Bohr
Was into theoretical Chemistry and Physics
Einstein
Was known as the father of chemistry
Lavasiore
Developed the first P.T.
Mendeeleve
How many protons, electrons, and neutrons does a Stannic Ion have? What is the charge?
50p+
46e-
69n
Sn+4
Name the cmpd:
NH4CH3COO
Ammonium Acetate
Write the formula:
Manganese(III) Chloride
MnCl3
Write the formula:
Mercury(I) Sulfide
Hg2S
Window Glass; Element, Compound, Homomixture, Heteromixture?
Compound
1 meter=_________ nanometers
1,000,000,000 or 10^9
Calculate the energy in joules of a photon of violet light having a wavelength of 400 nm.
4.966187e-19 J
One meter equals 1.094 yard.
Exact or Inexact?
Inexact
550 mL to quarts
.58 quart
(4.067)(0.08206)(378.7)/(0.935)
135
Higher ionization energy
K or Mg
Mg
Larger size
Cl or F
Cl
A 46.2 g sample of copper is heated to 95.4°C and then placed in a calorimeter containing 75.0 g water at 19.6°C. The final temperature of the metal and water is 21.8°C. Calculate the specific heat capacity of copper, assuming that all the heat lost by the copper is gained by the water.
.20 J/g°C
A certain substance strongly absorbs infrared light having a wavelength of 3.75 µm. What is the frequency of this light in hertz?
7.99e13 Hz
Name the cmpd:
CaCrO4
Calcium Chromate