(Abdi)Dmitri Mendeleev

2 POINTS

Question: What did Mendeleev create and how did he do it?

Answer: He created the Periodic Table of the Elements and he did by categorizing elements with similar properties


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John Dalton

1766 – 1844

Fontaine Chu, Krystal Xie and Ryan Yu POINTS

was an English chemist, physicist, and meteorologist

He was the first to study color blindness

development of modern atomic theory(Dalton Law)


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(Abdi)Marie and Pierre Curie

1 POINTS

Question: What did they discover?

Answer: As they were working on radioactivity they discovered the element Polonium


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(Abdi)Irene Joliot, Frederic Curie

2 POINTS

Question: What experiment did they do and what was did it make?

Answer: They bombarded beryllium with alpha particles, a beam was formed and they thought it was gamma rays but it was actually neutrons


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(Abdi)Ernest Rutherford

3 POINTS

Question: Name the three kinds of emissions/particles he discovered and what type of experiment did he use to find them.

Answer:Alpha particles, Beta particles, and Gamma Rays.
The Gold Foil Experiment


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(Abdi)James Chadwick

1 POINTS

Question: Name what Chadwick Identified

Answer: He Identified the Neutron


Graphic by Eric Hamber Secondary