mod 1 chem final Flashcards
1
Q
mixture
A
uniform throughout
if it is homogenous if it isnt heterogenesous
2
Q
pure substance can it be simplified chemical
A
no then its an element
yes then it is a compound
3
Q
PHYSICAL properties
A
density, color, odor,
hardness, melting and boiling
points, electrical conductivity
4
Q
chemical properties
A
flammability, toxicity,
acidity, corrosiveness, reactivity
5
Q
EXTENSIVE
A
dependent on the amount of matter
6
Q
INTENSIVE
A
independent of the amount of matter
7
Q
Accuracy
A
– how close a measurement is to a true or accepted value
8
Q
Precision
A
– how close a measurement is to other measurements
9
Q
1 inch
A
2.54 cm
10
Q
1 m
A
100 cm
11
Q
1 kg
A
1000 g
12
Q
1 gal
A
3.7854 L
13
Q
nano (n)
A
10^-9
14
Q
micro (u)
A
10^-6
15
Q
milli (m)
A
10^-3
