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9 Cards in this Set
- Front
- Back
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Atom |
Smallest neutral particle of an element |
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Molecule |
A neutral particle consists of non-metal atoms which are chemically bounded together |
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Ion |
Positively charged particles are form by metal atoms Negatively charged particles are formed by non-metal atoms Both ions are attracted together by a strong electrostatic force to form an ionic bond |
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Element |
A substance made from only one type of atoms |
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Compound |
A substance made from two or more different elements which are bounded together |
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Subatomic particles |
Protons, electrons, neutrons |
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Electron arrangement and atomic structure |
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Isotopes |
Atoms of the same element with the same proton number but different neutron number
Same chemical properties (same electron arrangement) Different physical properties (melting, boiling point and density) |
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Isotopes |
Cobalt-60 - cancer treatment/ destroy bacteria in food Iodine-131 - detect disorder in thyroid gland Carbon-14 - determine age of fossils and artifacts Sodium-24 - detect leakage in underground pipe Phosphorus-32 - study metabolism of phosphorus in plant |
