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12 Cards in this Set
- Front
- Back
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Transition elements have higher ... Points than the alkali metals |
Boiling and melting points. Except for Mercury |
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Transitions elemtns are |
Malleable and ductile , good conductors of heat and electricity |
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Most are used for ... As they are |
Building materials as they are strong and dense |
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Transitions elements react |
Slowly or not at all with oxygen and water at normal temperatures |
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Transition metals form ... Ions |
Positive ions with various charges |
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Halogens have ... |
Low melting and boiling points |
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Group 7 halogens are all poor |
Conductors of heat and electricity |
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The reactivity of halogens ... going down the group |
Decreases |
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A ... Halogens can ... A ... Halogen from a solution of one of its salts |
A more reactive halogens can displace a less reactive halogen |
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As the atoms get larger , the electrons in the outer shell are ... |
Less strongly attracted to the nucleus. |
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The reactivity increases going down group 1 because... |
The outer electron is less strongly attracted to the nucleus as TE energy levels increase and the atom gets larger |
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Reactivity decreases going down group 7 because the attraction |
Of the outer electrons to the nucleus is less as the number of shells increases |
