Concept of the Atom Crossword Puzzle

Download and print this Concept of the Atom crossword puzzle.

Concept of the Atom Crossword Puzzle

PDF will include puzzle sheet and the answer key.

 

Browse all Chemistry Puzzles

QUESTIONS LIST:

  • atom: basic unit of matter
  • electron: negatively charged particle in an atom
  • isotopes: atoms of the same element with different numbers of neutrons
  • proton: positively charged particle in the nucleus
  • dalton: scientist who proposed an early atomic theory
  • atomic number: the number of protons in an atom
  • nucleus: heaviest part of the atom, located at the center
  • periods: horizontal rows in the periodic table
  • groups: vertical columns in the periodic table
  • nuclear energy: energy released from splitting or fusing atomic nuclei
  • fusion: process where two light nuclei combine to form a heavier one
  • electron cloud: cloud-like region where electrons are found
  • fission: splitting of a heavy atomic nucleus
  • matter: anything that has mass and occupies space
  • mendeleev: father of the modern periodic table (last name)
  • mass number: total number of protons and neutrons in an atom
  • periodic table: elements arranged by increasing atomic number
  • ions: atoms that gain or lose electrons
  • amu: unit used to measure the mass of protons and neutrons
  • neutron: subatomic particle with no charge
  • valence electrons: the outermost electrons involved in bonding
  • radioisotopes: unstable atoms that emit radiation
  • elementary particles: the building blocks formed after the big bang