science pt stuff

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Last updated 1:14 AM on 10/9/26
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12 Terms

1
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bhor

scientist known for developing the Bohr model of the atom,

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rutherford

a physicist who discovered the nucleus and proposed the Rutherford model of the atom, showing that atoms are mostly empty space.

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democritis

discorvred the atom

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dmitri mendeleev

a Russian chemist who created the periodic table of elements

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alkali metals

softest

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alkali earth metals

shiny conductors and soft

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halogens

all3 states of matter

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noble gasses

8 valence e and not reactive

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metaloids

semi conductors

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add neutrons

isotope

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add electrons

makes an ion

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add proton

new element