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15 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Daltons atomic theory. |
Made up of tiny unique particles. |
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Henry becquereal |
Developed photographic plat w uranium. J |
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J.j Thompson |
Discovered the negatively charged. |
“Plum pudding” model. |
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Charles Rutherford |
Gold foil experiment, empty space. |
what experiment did he do? |
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Neil Bohr |
Put electrons in path around nucleus. |
“Solar system” |
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Johann dorbereiner |
Element into groups of 3, similar chemical properties. |
Triads. |
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Elements be arranged in “octaves” |
John Newlands |
Repeated every 8th element. |
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Elements be arranged in “octaves” |
John Newlands |
Repeated every 8th element. |
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Published a table of elements by increasing atomic mass. |
Demitri Mendeleev |
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Published his own table of elements by increasing atomic NUMBER. |
Lothar Meyer |
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Published his own table of elements by increasing atomic NUMBER. |
Lothar Meyer |
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His work w X-ray, rearranged elements from increasing atomic # |
Henry Mosley |
Determined the nuclear charge. |
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Published his own table of elements by increasing atomic NUMBER. |
Lothar Meyer |
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His work w X-ray, rearranged elements from increasing atomic # |
Henry Mosley |
Determined the nuclear charge. |
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Moved 14 elements out of periodic table. |
Glen Seaborg |
Known as “actinide series. |
