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16 Cards in this Set
- Front
- Back
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The Atomic Theory of Matter |
The idea that matter is composed of smallest particles (atoms) and is not continuous. |
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Brownian Motion |
The haphazard movement of tiny particles suspended in gas or liquid resulting from their bondbardment by the fast moving atoms or molecules of the gas or liquid. |
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Atom |
The smallest particle of an element tat has all the elements chemicle properties. |
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Electric Charge |
Each charge particle in the universe exerts a force on every other charged particle. |
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Electron |
Negatively charged particle that whizzes around inside a atom. |
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Atomic Neucleus |
The core of an atom, consisting of two subatomic particles (protrons and neutrons). |
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Nucleons |
Generic term for massive particle found in the nucleus of an atom (either a protron or neutron). |
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Protron |
Positively charged. |
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Element |
A pure substance consisting of only one kind of atom. |
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Periodic Table of Elements |
A chart that list the elements in horizontal rows by atomic number and in vertical rows by the similar electron arrangement. |
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Ion |
an electrically charged atom. |
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Isotope |
An atom of the same element that contains a different number of neutrons. |
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Molecule |
Smallest unit of a chemical compound. |
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Compound |
Chemically bound mixture of different elements. (H2O yes H no) |
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Antimatter |
like normal matter but with positively charged electrons and negatively charged protons. |
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Atomic Mass Unit |
(AMU) the standard unit of atomic matter. |
