anionformedwhen anatom gainselectronscathoderaycomposeofelectronsvalenceelectronselectronsfound inoutermostenergy levelisotopedifferentnumber ofneutronsplumpuddingThomsonChadwickdiscoveredneutronbilliardballDaltonChas 4valenceelectronscationformedwhen anatom loseselectronsBe+2has 2electrons1s22s22p4OBohrelectronsare foundin energylevelsDemocritusnamedtheatomDaltonatomictheoryplanetarymodelBohrSchrodingerelectronsare foundin electroncloudHelium-4has 2neutronsThomsoncathoderaytubemassnumberprotonsandneutronsgold foilexperimentRutherfordalphaparticlesgold foilexperimentelectronoccupiesmost of thevolume ofthe atomBehas 4protonsRutherforddiscoveredpositivenucleusanionformedwhen anatom gainselectronscathoderaycomposeofelectronsvalenceelectronselectronsfound inoutermostenergy levelisotopedifferentnumber ofneutronsplumpuddingThomsonChadwickdiscoveredneutronbilliardballDaltonChas 4valenceelectronscationformedwhen anatom loseselectronsBe+2has 2electrons1s22s22p4OBohrelectronsare foundin energylevelsDemocritusnamedtheatomDaltonatomictheoryplanetarymodelBohrSchrodingerelectronsare foundin electroncloudHelium-4has 2neutronsThomsoncathoderaytubemassnumberprotonsandneutronsgold foilexperimentRutherfordalphaparticlesgold foilexperimentelectronoccupiesmost of thevolume ofthe atomBehas 4protonsRutherforddiscoveredpositivenucleus

Atomic History - Call List

(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.


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  1. formed when an atom gains electrons
    anion
  2. compose of electrons
    cathode ray
  3. electrons found in outermost energy level
    valence electrons
  4. different number of neutrons
    isotope
  5. Thomson
    plum pudding
  6. discovered neutron
    Chadwick
  7. Dalton
    billiard ball
  8. has 4 valence electrons
    C
  9. formed when an atom loses electrons
    cation
  10. has 2 electrons
    Be+2
  11. O
    1s2 2s2 2p4
  12. electrons are found in energy levels
    Bohr
  13. named the atom
    Democritus
  14. atomic theory
    Dalton
  15. Bohr
    planetary model
  16. electrons are found in electron cloud
    Schrodinger
  17. has 2 neutrons
    Helium-4
  18. cathode ray tube
    Thomson
  19. protons and neutrons
    mass number
  20. Rutherford
    gold foil experiment
  21. gold foil experiment
    alpha particles
  22. occupies most of the volume of the atom
    electron
  23. has 4 protons
    Be
  24. discovered positive nucleus
    Rutherford