History and Structure of an Atom Crossword
This printable crossword puzzle on the topic of Elements & Periodic Table has 20 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
the area around the nucleus
anything that has mass and takes up space
positive charge in the atom
any substance that cannon be broken down any further
central part of an atom
the sum of the protons and neutrons
negative charge in the atom
neutral charge in the atom
the electrical factor of the atom
smallest particle of matter
known as the "father of modern chemistry"
discovered the atomic model
discovered the Bohr model
electrically charged particle
2 ore more elements chemically combined
the electrons on the outer ring
horizontal rows on a periodic table
vertical rows on a periodic table
who proved the existence of atoms
who discovered that every element identifies with how many neutrons it has
