Notes

Which of the following statements would be true of the scientific method?- continuous process
In science every hypothesis must be tested by using it to make?- predictions
Which of the following statements is most likely correct?- not wrong just incomplete
what determines the place of an element in the periodic table?- number of protons
the science that studies nature at it's most basic element is - physics
when scientists have finished research and wish to communicate the results, they are most likley to do which of the following?- write a paper and submit it to a scientific journal
Which is true about the dicipline of science? - science is a question and answer dialogue with our physical enironment
peer review is - conducted by a panel of experts in the feild
best addresses the scientific method - new models should inculde good parts of the old ones
the best way to announce a new scientific discovery is to- submit to a group of peers in that field
best method for guarding against mistakes by confirmation bias-other scientist independently reproduce the results
atomic models are often drawn with spheres, although we know that atoms are - not solid objects
dalton dased his theroy of the atom on the experimental results - the law of definite proportions
change of phase from solid to gas is - sublimation
from gas to solid - deposition
the valence electrons are responsible for the - chemical and electrical properties of the element
metals are good - conductors of heat and electricity
what is the gravity for water at 4 degrees celcius -1
moles per liter of a solution - molarity
moles per kilo of a solvent - molality
equivalence per liter of solution - normality
sociometry is from 2 Greek words - element and measure
the pH scale is defined as equal to - (-log[H+])
ph of rain water is - less than 7
pressure of water is - the height if the water
the upwards force exerted on an object in a fluid is equal to the weight of the fluid that the object displaces is - achimedes
for fixed amount of ideal gas, the product of pressure and volume divided by the temperature is a constant - ideal gas law
he needed the volume of the crown in order to calculate the crown of gold, to find the purity. complex shape what does he do? - puts it in water
a barometer is a instrument that measures - atmospheric pressure
an iron ship floats what - the weight of the water it displaces is greater than the weight of the ship
the chemical properities depend of the - valence electrons
"allowed orbits" is a phrase best applied to - bohr's model
atomic number is equal to- number of protons
which force hold the nucleus together - strong force
half life refers to - the time it takes for half of a nuclei sample to decay
how do descriptions of the state of quantum objects differ from descriptions of items we see every day? descriptions of quantum objects - are given in terms of probabilities
the for an ion, a sodium atom - lose an electron
which of the following would be a weak electrolyte in solution? - acetic acid