This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 4 to 18 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Father of atomic theory
a negative Subatomic particle
Same number of protons but different neutrons
a positive charged subatomic particle
the energy needed to take an electron from an atom
a neutral subatomic particle
an atoms ability to attract an electron
can not be broken down into simpler substances
half the distance between the centers of two atoms that are touching each other
a family with a group of elements with similar properties
group 18
Group 17 salt former
most reactive of all metals
the number of protons of an atom
created the visual model of an atom
J.J Thomson Created used blank to prove that atoms can be broken into smaller parts
composed of two or more elements
a characteristic that can be observed without changing into another substance
a characteristic that describes the ability to change into different substances
used the gold foil experiment