Periodic Table
Name: ______________________ Date: ____________
Write the letter of the matching item on the line next to each number.
1. Electron
A. Substance used in or made by chemistry
2. Neutron
B. Two or more atoms bound together as a single unit and forming part of a molecule
3. Proton
C. A stable particle with positive charge equal to the negative charge of an electron
4. Periodic
D. Furniture with legs and a flat top
5. Table
E. One of two or more atoms with the same atomic number but with different numbers of neutrons
6. Element
F. Happening or recurring at regular intervals
7. Liquid
G. Center of an atom or a cell
8. Gas
H. An elementary particle with negative charge
9. Solid
I. An elementary particle with 0 charge and mass about equal to a proton
10. Group
J. State of matter that flows like water
11. Period
K. An amount of time
12. Chemical
L. State of matter that fills any space, like air
13. Nucleus
M. An abstract part of something
14. Isotope
N. State of matter with a fixed shape