Chm 131 final Comprehensive unkowns

What is the equation for Celsius to F?
(Tf-32)(5/9)
What is the equation for density?
Mass/volume
What is each statement of Dalton’s atomic theory?
All matter is composed of atoms, all atoms of a given element have the same chemical properties, compounds are formed by chemical combination of two or more different kinds of atoms, A chemical reaction involves joining seperating or re arranging atoms.
What was J.J. Thomson’s experiment?
The cathod ray tube experiment
What was Robert Milikan’s experiment?
Oil drop experiment
what was Henri Becquerel’s experiment?
Radioactivity, Alpha particle
What was Ernest Rutherford’s experiment?
Gold foil
What is precision?
Precision is how close the results are to each other
What is accuracy?
Accuracy is how close the results are to the actual results of the experiment.
what are the metric prefixes?
Mega, Kilo, deci, centi, mili, micro, nano, pico
What are the prefixes used in naming chemical compounds?
mono, di, tri, tetra, penta, hexa, hepta, octa, nona, deca
What are the rules for assigning oxidation numbers?
1. The oxidation number of an atom of a pure element is 0
2. the oxidation number of a monatomic ion equals its charge.
3. Atoms of some elements have the same oxidation number in almost all their compounds and can be used as references for oxidation numbers of atoms of other elements in compounds.
(H= +1 unless with a metal, Flourin is -1, O=-2 except with peroxides.
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