Chapter1- intro into chemistry Flashcards
1
Q
Definition of Science`
A
natural phenomena
2
Q
Definition of technology
A
application of science
3
Q
definition of chemistry
A
the study of matter and how matter changes
4
Q
definition of chemical
A
anything with a definate composition
5
Q
pure substance
A
element or compound
6
Q
homogeneous
A
same throughout
7
Q
heterogeneous
A
different throughout
8
Q
physical property
A
things you can determine without changing the substance ex: boiling point
9
Q
chemical property
A
describes how a substance reacts to form another substance
10
Q
intensive property
A
independant of sample size
11
Q
extensive property
A
dependant of sample size
12
Q
solid to gas
A
suplimation
13
Q
gas to liquid
A
condensation
14
Q
gas to solid
A
deposition
15
Q
chemical change
A
change in composition due to chemical reaction
16
Q
the scientific method
A
observation experiment and collect data law-summarize in statement theory-why? model prediction-propse behaviour new data- test by experiment
