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17 Cards in this Set
- Front
- Back
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What are the three main kinds of elements? |
Metals, non metals, metailoid (semimetals) |
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Most of the elements on the periodic table are |
Metals |
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What influences properties of an element |
Electron structure |
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4 characteristics of metals. -Most metals are what at room temp. |
●metallic luster ●ductile ●conductors ●malleable -solids |
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Most non metals are reactive what |
Recative Halogens |
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Nonmetals can be |
Solids, liquids, gases |
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Metallic (semimetals) can be made into. What do they make |
Semiconductors. Computers, CD players, cell phones, calculators, digial tech. |
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Neutral elements in the same family have the same number of |
Valence electrons |
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Alkalia metals have how many valence electrons? They are very... human body needs these 2 |
1. Reactive. Sodium, potassium |
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Alkaline-earth metals have how many velence electrons? They are what then alkaline metals. What is a mixture of metals? |
2. Less reactive. Alloys |
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How many valence electrons are in transition metals? |
1 or 2 |
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How many valence electrons are in the boron family? They are mostly what |
3. Metals |
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How many valence electrons are in the carbon family |
4 |
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How many valence electrons are in the nitrogen family |
5 |
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How many valence electrons are in the oxygen family |
6 |
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How many valence electrons are in halogens. Most reactive. Are normally found as. Can be. |
7. Nonmetals. Diatomic molecules. Solids, liquids, gases. |
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Nobel gases have how many valence electrons. Why are they not chemically active. |
8. They have all eight electrons. |
