Term
| Lothar Meyer and Dmitri Mendeleev |
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Definition
| each demonstrated a connection between atomic mass and elemental properties |
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Term
| Who has been given more credit than Meyer because he published his organization scheme first? |
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Definition
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Term
| How did Mendeleev organize the elements into the first periodic table? |
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Definition
| By arranging the elements in order of increasing atomic mass into columns with similar properties |
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Term
| Who determined that the elements needed to be arranged by atomic number rather than atomic mass? |
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Definition
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Term
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Definition
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Term
| What are three characteristics of metals? |
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Definition
| shiny, solid at room temperature, good conductors of heat/electricity |
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Term
| What are the three main classifications of elements? |
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Definition
| metals, nonmetals, metalloids |
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Term
| What are three characteristics of nonmetals? |
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Definition
| dull, generally gases, poor conductors of heat/electricity |
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Term
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Definition
| elements with physical and chemical properties of both metals and nonmetals |
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Term
| What are the four blocks of the periodic table? |
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Definition
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Term
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Definition
v - atomic size increases
>- atomic size decreases |
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Term
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Definition
| groups of atoms with a positive or negative charge |
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Term
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Definition
| an ion with a positive charge |
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Term
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Definition
| an ion with a negative charge |
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Term
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Definition
v - ionization energy decreases
>- ionization energy increases |
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Term
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Definition
| the ability of an atom of an element to attract electrons when the atom is a compound |
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Term
| trends of electronegativity |
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Definition
v - electronegativity decreases
>- electronegativity increases |
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