Quiz 1: 1.1-1.5 Flashcards
1
Q
chemistry
A
the study of matter and how it changes
2
Q
matter
A
anything that has mass and takes up space
3
Q
atom
A
smallest part of an element that is still that element
4
Q
molecule
A
two or more atoms joined & acting as a unit
5
Q
chemical reaction
A
one substance changes to another by reorganizing the way the atoms are attracted to each other
6
Q
measurement
A
quantitative observation consisting of two parts:
- number
-scale (unit)
7
Q
kilogram (kg)
A
SI mass unit
8
Q
meter (m)
A
SI length unit
9
Q
second (s)
A
SI time unit
10
Q
kelvin (K)
A
SI temperature unit
11
Q
mole (mol)
A
SI amount of substance unit
12
Q
kilo (k)
A
1,000 or 10^3
13
Q
deci (d)
A
0.1 or 10^-1
14
Q
centi (c)
A
0.01 or 10^-2
15
Q
milli
A
0.0001 or 10^-3
