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- 1. Categorize
Organize these options into the right categories (a) Dalton , (b) Thomson , (c) Rutherford , (d) Bohrhad 4 postulates
discovered the electron
discovered the nucleus
discovered energy levels
noticed the energies given off were always the same
gold foil experiment
cathode ray tube
broke substances down and realized the products were always in a fixed ratio
- 2. Categorize
Organize these options into the right categories (a) Dalton , (b) Thomson , (c) Rutherford , (d) Bohrdiscovered the electron
discovered the nucleus
discovered energy levels
atom model
atom model
discovered the atom
atom model
atom model
- 3. Match
Match the following
thought there was an atom
Democritus
proved the atom existed
Dalton
nucleus is a positive mass in the middle
Rutherford
electron existed
Thomson
electrons are on energy levels
Bohr
- 4. Labeling
Label the parts of the atom with the scientist that discovered it
answer choicesThomson
Rutherford
Bohr
Dalton
- 5. Categorize
Organize these options into the right categories.
(a) Proton , (b) Electron , (c) Neutrondictate what the element is
dictates the atom's charge
dictates the atom's reactivity
if it changes, the mass of the atom changes
if it changes, the element changes
equals the atomic number
equals the number of protons if it is neutral
equals the mass minus the number of protons
positive
negative
neutral
- 6. Drop Down
Neutrons are (a) and are located (b) .
Electrons are (c) and are located (d) .
Protons are (e) and are located in the nucleus.
heavylightin the nucleuson the outer shells - 7. Drop Down
Neutrons are (a) .
Electrons are (b) .
Protons are (c) .
positivenegativeneutral - 8. Hotspot
What is the atomic mass?
- 9. Hotspot
What is the atomic number?
- 10. Multiple ChoiceAll matter is made of what?energyatomselectronscompounds
- 11. Drop Down
(a) are all of the same (b) .
Elementsatomsatomic numbergoldoxygen - 12. Labeling
Label the parts of an atom.
answer choicesnucleus
outer shell
proton
neutron
electron
- 13. Drop Down
Bromine has (a) protons, (b) electrons, and (c) neutrons.
35454436807934 - 14. Fill in the Blank
Sodium has __ neutrons.
- 15. Fill in the Blank
Calcium has __ neutrons.
- 16. Fill in the Blank
Aluminum has __ protons.
- 17. Fill in the Blank
Neon has __ electrons.
- Answer choicesTagsAnswer choicesTags