Flashcards
GCSE Chemistry
Cards in this deck (9)
- 1What is the Atom model that we use at the moment?The Nuclear Model
- 2What are the masses of the three sub atomic particles?Proton - 1
Neutron - 1
Electron - Very small - 3What are the charges of the three sub atomic particles?Proton - +1
Neutron - 0
Electron - -1 - 4How did Mendeleev order the period table?Ordered by their masses, and by their properties.
- 5How was the electron discovered?The cathode ray experiment - J.
J Thompson sent unknown particle in a tube. He put a positive charge at the top, or negative at the top. The atom was attracted to the positive and repelled by the negative, meaning it had negative particles. - 6Who invented the plum pudding model?J . j . Thompson
- 7What are Isotopes?Different forms of the same element which have the same number of protons, but a different number of neutrons.
- 8What is a mixture?elements or compounds that are put together but are not chemically bonded together.
- 9—
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- Flashcards on GCSE Chemistry, created by Ethan Zajdek on 04/12/2017.
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- Ethan Zajdek
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