quarter test Flashcards
the study of matter and changes in matter best describes the science of
chemistry
chemistry may be least useful in studying
falling bodies
chemistry is a _
science
a physical science
chemistry may be most useful in studying
why materials corrode
the study of substances containing carbon is
organic chemistry
technology is the
application of scientific knowledge to solve problems
matter includes everything except
light
melting ice
physical property
two features that distinguish matter are
mass and volume
one chemical property of matter is
reactivity
the melting of a candle is classified as a physical property because
it transfers energy
horizontal row on periodic table
period
vertical row of blocks in the period table
group
kilo
10^3
mega
10^6
deci
10^1
centi
10^2
milli
10^3
micro
10^6
nano
10^9
pica
10^12
precision
closeness o/ a set of measurements of the same quantity made in the same way
closeness of a set of measurements to correct or acceptable value
accuracy
approximate mass of a neutron
1
mass of electron
0
proton is ejected from nucleus
beta decay
alpha radiation
bottom row in cathode
beta radiation
top row in cathode
electron
greatest penetrating power
