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