This is the equation for the decomposition of ethanol (C2H6O).
What is 2C2H6O --> 4C + 6H2 + O2?
100
2NaNO2 + O2 → 2 NaNO3
The number of moles of O2 that must be used to make 15.0 moles of NaNO3:
What is 7.5 moles O2?
100
The many who proved that atoms could be split into smaller pieces by discovering "cathode rays" was
Who is Crookes?
100
Most atoms strive to attain this many valence electrons:
What is eight?
100
The amount of energy needed to take an electron away from an atom.
What is ionization potential?
200
The equation for the formation of water
What is 2H2 + O2 --> 2H2O?
200
The reactant that runs out first
What is the limiting reactant?
200
This number tells the total number of protons and neutrons in an atom
What is the mass number?
200
The definition for valence electrons is:
What are the electrons that exist the farthest from the atom's nucleus, generally the electrons with the highest energy numbers.
200
A characteristic of atoms that varies regularly across the periodic chart.
What is a periodic property?
300
Incomplete combustion can produce either of these two:
What are CO and C?
300
Using this law you can relate the stoichiometric coefficients to the volume of gases
What is Gay-Lussac's law?
300
Name two discoveries about the structure of the atom that came from Rutherford's gold foil experiment:
- there is a lot of empty space in the atom
- the plum pudding model of the atom was not correct
- protons were clustered in the nucleus with electrons orbiting around them
300
In ionic compounds, nonmetals try to ________ electrons so that their Lewis structure has _________ dots around it.
What is gain and eight?
300
A measure of how strongly an atom attracts extra electrons to itself
What is electronegativity?
400
This is the mass of a Ca atom in kg. (1.66 x 10-24 g = 1 amu)
What is 6.66 x 10-26 kg?
400
A chemical formula that tells the simple whole number ratio for the atoms in a molecule
What is the empirical formula?
400
How is wavelength related to frequency?
What is inversely?
400
In ionic compounds, metals try to _________ electrons until their Lewis structure has ________ dots around it.
What is lose and no?
400
Ionization potential _____________ from the left of the periodic chart to the right of the periodic chart.
What is increases?
500
This is the number of moles of glucose in a 1.25 kg sample of glucose (C6H12O6).
What is 6.94 moles?
500
A compound containing 36.8% nitrogen and the rest oxygen. What is the empirical formula for this compound?
What is N2O3?
500
The quantum mechanical model of the atom added this concept to the Bohr model
What are different shaped orbitals (s,p,d,f, etc) instead of circular orbits?
500
The chemical formula for the compound formed by aluminum and nitrogen is:
What is AlN?
500
Electronegativity of atoms _______________ from left to right on the periodic chart