Periodic table Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 5 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
How reactive a substance is
Protons + neutrons
Tells you how many protons there are
Determined using the periods
Tells you how many energy levels there are
A gaseous element that is not reactive
any of the series of fifteen metallic elements from lanthanum to lutetium
Determined using group number
Atomic number tells you how many there are
Used to model how many protons, neutrons, and electrons there are
Found on left side of the periodic table
Found in between metals and nonmetals
Found on the right side of the periodic table
Actinum through lawrencium
Protons+?=Atomic Mass
Alkali Metals, Halogens, Noble Gases, etc.
Have a negative charge
Columns. Also tell you number of valence electrons
protons,neutrons, and electrons
fluorine, chlorine, bromine, iodine, and astatine. Group 17
