Term
Yes or No
Halogens can be solids, liquids, or gases at room temperature. |
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Definition
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Term
Yes or No
Oxygen is useful to life only in its diatomic form. |
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Definition
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Term
Yes or No
Carbon is part of almost all organic compounds. |
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Definition
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Term
| Give the family name for Group 8A elements. |
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Definition
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Term
| Give the family name for Group 7A elements. |
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Definition
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Term
| Give the family name for Group 6A elements. |
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Definition
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Term
| Give the family name for Group 5A elements. |
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Definition
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Term
| Give the family name for Group 4A elements. |
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Definition
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Term
| Give the family name for Group 3A elements. |
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Definition
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Term
| Give the family name for Groups 1B-8B elements. |
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Definition
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Term
| Give the family name for Group 2A elements. |
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Definition
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Term
| Give the family name for Group 1A elements. |
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Definition
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Term
| Which family is the most unreactive? Why is this so? |
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Definition
| The noble gases are very unreactive because they have a complete set of valance electrons. |
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Term
| Mixtures of metals are called... |
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Definition
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Term
| Why are metals that do not display some metallic characteristics still considered metals? |
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Definition
| They all have loosely held electrons. |
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Term
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Definition
| The properties of elements vary with their atomic numbers in a periodic way. |
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Term
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Definition
| An element is any pure substance made of only one kind of atom. |
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Term
| Which family of mostly nonmetals is the most reactive? |
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Definition
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Term
| Which family is made up of mostly metals? |
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Definition
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Term
| Neutral, ground-state elements in a family have the same... |
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Definition
| number of valence electrons |
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Term
| Most metals are _____ at room temperature. |
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Definition
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Term
| What most influences the chemical and physical properties of an element? |
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Definition
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Term
| The unique feature of Moseley's table of the elements was that he... |
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Definition
| arranged elements by atomic number |
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Term
| The unique feature of Mendeleev's classification of the elements was that he... |
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Definition
| left blank spaces for predicted but undiscovered elements. |
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Term
| Whose element symbols are the closest to what chemists use today? |
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Definition
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Term
| Why does alchemy hold some importance for science today? |
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Definition
| Alchemists discovered and purified many substances later known to be chemical elements. |
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Term
| Describe the properties and uses of halogens. |
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Definition
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