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17 Cards in this Set
- Front
- Back
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Atom (explain how they form in words)
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Atoms are composed of particles called protons, electrons and neutrons.
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Ion, (explain how they form in words)
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ions are electrically charged particles formed when atoms lose or gain electrons.
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Cation (explain how they form in words)
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Cations form when metal atoms lose electrons and create positively charged particles.
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Anion, (explain how they form in words)
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Anions form when nonmetal atoms gain electrons and form negative charges
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Ionic compound (explain how they form in words)
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An ionic compound is formed by the complete transfer of electrons from a metal to a nonmetal so both elements are stable.
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molecules (explain how they form in words)
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molecules are formed when atoms joint together |
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what was daltons model of the atom called? |
billiard ball model |
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what did dalton discover? |
the atom |
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what is thomsons theory referred to as? |
"raisin bun" or "plum pudding model" |
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what did thomson discover |
-electrons |
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what is rutherfords model of the atom referred to as? |
"nuclear" model |
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what did rutherford discover |
nucleus |
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what did bohr discover? |
that electrons orbit around nucleus |
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what is bohrs model referred to as? |
the "planetary" model |
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what are the properties of metals? |
-lustrous -left of staircase -malleable -duchle -good conductor of heat |
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what are the properties of metalloids? |
have some properties from each category e.g. skinny/poor conductor |
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what are the properties of nonmetals? |
-poor conductor -brittle -dull -right of staircase |
