Units and Measurements
How many meter are in 6700cm?
67 meters
Who suggested there is stuff and empty space?
Democritus
Down a group, does electronegativity increase or decrease?
Decrease
What bond forms between a metal and a nonmetal?
Ionic
Prefixes indicate what?
Number of atoms
0.67Km to meters
670 meters
What did John Dalton propose?
Solid Spheres
Across, from left to right, does atomic radius increase or decrease?
Down, top to bottom, does atomic radius increase or decrease
What bonds forms between two nonmetals?
Covalent
Name CO
Carbon Monoxide
67,000g to decigrams
670,000dg
Using a cathode ray tube, JJ Thomson, discovered what?
electrons
Which has a higher electronegativity?
Oxygen or Sulfur
Oxygen
What type of bond has a sea of electrons?
Metallic
N2O4
67cL to KL
0.00067KL
What did the gold foil experiment give us? Who was the scientist?
Nucleus , Ernest Rutherford
What is the increasing order of electron affinity?
As, F, Ne, Cl
Ne < As < Cl < F
CCl4 has what type of bond?
Covalent
Name SF6
Sulfur Hexafluoride
6.7Dm to mm
67,000mm
Niels Bohr gave us what model of the atom?
Planetary model
What trends do not apply to the noble gases?
Electron affinity and Electronegativity
Co(NO3)2 has what type of bond?
Ionic
What is the charge in covalent Compounds?
None there is no charge.