Show:
Qualitative or Quantitative
Gas Law/Pressure
Density, Accuracy and Precision
Atoms
Periodic Table
100
it is dark blue
qualitative
100
Name all of the Gas Laws that we went over
Boyle, Charles, Gay-Lussac,Ideal
100
What is the equation of density?
mass/volume
100
What are the 4 parts of the atom?
Electron,electron cloud, neutron, proton
100
What is the 2 column called?
Alkine earth metals
200
there are 50 balloons at this party
both
200
how much is kPa?
101.3
200
What units are used for mass,volume,density?
mass = grams volume= cm3 density= g/cm3
200
The proton # is the same number as the atomic mass. True or False?
True!
200
How much valence electrons does group 3 have?
3!
300
the mass of the cup is 473 grams
Quantitative
300
The pressure exerted by 2.8 moles of argon gas at a temperature of 85C is for 420 torr. What is the Volume of this sample?
82 liters
300
what is the difference between precision and accuracy?
Accuracy means getting a result that is close to the real answer. Precision means getting a similar result every time you try.
300
What is an isotope?
the number of neutrons changes from the original element
300
What did Mendeleev base the ordering of the periodic table on?
atmoic mass
400
i am wearing a black and green stoking on each foot
Qualitative
400
Write the equation that has the volume unknown
V=nRT/P
400
what is the mass of piece of aluminum that has a volume of 42cm3 and a density of 2.70g.cm3?
.64g
400
List all of the names of the models
Thomson, Rutherford, Bohr, Quantum Mechanical, Dalton
400
What is electronegativity?
ability of an atom of element to attract electrons when atom is in a compound
500
The weight of my friend is 145 pounds. I know because i saw her weight herself this morning.
Quantitative
500
the pressure of a pison with a volume of 650 cm3 and 85C is 830 torr. It is heated to 350C and compressed a volume of 65cm3. What is the new pressure?
14,443.85 torr
500
Explain why can some liquids be stacked on top of each other without mixing
Each liquids have different densities
500
Which model has electrons on the electron cloud?
Bohr
500
As the atomic radius goes down does it increase or decrease? As the atomic size goes up does it increase or decrease?
increases, decreases