Periodic Table Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 18 clues. Answers range from 3 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
an organized system for elements
rows go left to right
creator of the periodic table
all of the elements in a period have the same number of _________?
arranged the elements according to increasing atomic numbers
column goes from top to bottom
elements in a group have the same number of __________ in their outer orbitals
a group of elements with similar chemical properties
a chemical family in group 1 , most reactive
a chemical family that is in group 17 , inactive
a chemical family found in groups 3-12
all of the elements in the second row have _____ orbitals for their electrons
chemical family in group 17 , salt-fomer
not able to conduct electricity or heat very well
have properties of both metals and non -metals
rare earth metals
softer and conduct more poorly than transition metals
modern periodic table is based on ________________
