Chapter Four Section 2
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. elements
A. A perceptual structure (plural)
2. atomic
B. An amount of time
3. mass
C. Russian chemist who developed a periodic table of the chemical elements and predicted the discovery
4. period
D. Deriving destructive energy from the release of atomic energy
5. group
E. How much matter something contains
6. chemical
F. A fourth state of matter distinct from solid or liquid or gas and present in stars and fusion
7. symbol
G. Substance used in or made by chemistry
8. plasma
H. A basic or essential attribute shared by all members of a class (plural)
9. nuclear
I. Two or more atoms bound together as a single unit and forming part of a molecule
10. fusion
J. An abstract part of something (plural)
11. mendeleev
K. An arbitrary sign that has acquired a conventional significance
12. properties
L. The state of being combined into one body
13. patterns
M. Of or relating to or comprising atoms