Science Puzzle Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
He discovered the neutron
Rutherford did an....
This part of an atom has a positive charge
The number above the element's name
The emission of particles caused by disintegration of the nucleus
Elements that have same number of protons but different neutrons
Dalton came up with the...
He did the gold foil experiment
Most radioactive particle
Least radioactive particle
This part of an atom has a negative charge
The middle of an atom with protons and neutrons inside
He created the modern day periodic table
Amount of time it takes for an atom to decrease by half
Developed the concept of atoms
This part of an atom has a neutral charge
The big number under the element's name
He discovered the electron
Second most radioactive particle
Bohr created a...
