(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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named the atom
Democritus
protons and neutrons
mass number
has 4 valence electrons
C
formed when an atom loses electrons
cation
gold foil experiment
alpha particles
has 2 electrons
Be+2
cathode ray tube
Thomson
has 4 protons
Be
atomic theory
Dalton
formed when an atom gains electrons
anion
electrons are found in energy levels
Bohr
Bohr
planetary model
discovered positive nucleus
Rutherford
Thomson
plum pudding
different number of neutrons
isotope
O
1s2 2s2
2p4
occupies most of the volume of the atom
electron
has 2 neutrons
Helium-4
discovered neutron
Chadwick
electrons found in outermost energy level
valence electrons
