Unit 1 Review Flashcards
The study of the composition of master and the changed it undergoes
Chemistry
Anything that has mass and occupies space
Matter
A measurement that is taken to concisely convey an observed value
Scientific measurement
A measure of how close a measurement is to the true value of whatever is being measured
Accuracy
A measure of how close a series of measurements are to each other
Precision
The degree of compactness in a measurement
Density
NO3 -1
Nitrate
SO4 -2
Sulfate
OH -1
Hydroxide
H3O+
Hydronium
C2H3O2-
Acetate
Micro is 1/?
1000000 (million)
Milli is 1/?
1000
When adding scientific notation you..
Make sure the exponents are the same, add the numbers
When multiplying/ dividing scientific notation, you…
Add the exponents (multiplication) or subtract the exponents (division)