Atomic Theory Crossword

Elements & Periodic Table Puzzles & Worksheets

This printable crossword puzzle on the topic of Elements & Periodic Table has 12 clues. Answers range from 4 to 12 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

matter is composed of empty space
Elements consist of atoms and compounds are collection of atoms
what the periodic table order is based on
Plum pudding model
arranged atoms by atomic number using wavelengths and x-rays
Oil drop experiment
nucleus center and tiny electrons moved in space around it
wave mechanical model. furthered the idea that electrons are in clouds
electrons are in circular paths
discovered neutrons
electrons move in waves rather than straight circular paths
orbits the nucleus and has a negative charge