The Basics
The three states of matter
Solid, Liquid, Gas
This base unit is used for mass
Grams
20.5 x 105 is not in correct scientific notation because...
20 is not between 0 and 10
a substance that cannot be separated further into simpler substances by chemical methods
elements
Going from liquid to gas is known as this
evaporation
Definition of chemistry
the study of matter and how it changes
This prefix is 103
kilo-
5400 in scientific notation is A) 5.40 x 103 B) 5.4 x 103 C) 54 x 103
B) 5.4 x 103
Chicken noodle soup would be an example of this type of mixture
heterogeneous
This is used to to put a numerical value to accuracy
Significant Figures
The type of data that deals with numbers
quantitative
There are this many cm in 1 meter
100
The number of significant figures in 0.00678
3
Tide detergent would be a type of this mixture
homogeneous
The data points 8.2mL, 8.3mL, and 8.3mL are this. (Actual value: 10.5mL)
%Error=|(#experimental - #actual)/#actual|x100
Answer: 0.2
a tentative explanation for a set of observations
law
The correct units for volume
m3
The number of significant figures in 5.7090 x 102
7
Mass and volume are examples of this type of property
physical
the conversion from celsius to kelvin
+273.15
a unifying principle that explains a body of facts and/or those laws that are based on them
theory
The number of dg in 14kg.
140000 dg
The answer to the right amount of sig figs to: 10.03+ 2.0
12.03 --> 12
Name 3 chemical properties
flammability, solubility, toxicity
A plant growing is an example of this type of change
chemical change