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