History of the Atom Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 10 clues. Answers range from 5 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Positively charged particles which were fired at a sheet of gold foil in Rutherford's experiment
Neutral sub-atomic particles which exist in the nucleus
Person who first philosophised that everything is made up of atoms
Aristotle thought everything was made up of the four elements: Earth, Fire, Air and...
Bohr came up with the theory that electrons are arranged in ...............
a substance made up entirely of only one type of atom
A substance made up of to or more elements chemically joined
What previous model of the atom did Rutherford's experiment disprove?
The positively charged centre of the atom
Rutherford concluded that the atom was mostly made up of (2 words)
