Term
What is a chemical formula? |
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Definition
A chemical formula indicates the elements present and the number of atoms in each. |
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Term
What is an empirical formula? |
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Definition
An empirical formula only gives the relative number of atoms present in the molecule |
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Term
What is a molecular formula? |
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Definition
A molecular formula gives the actual number of atoms present in the molecule |
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Term
What is a structural formula? |
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Definition
Uses lines to represent the covalent bonds, shows how atoms in a molecule are connected or bonded to each other. |
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Term
What is a ball-and-stick model? |
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Definition
Represent atoms as balls and chemical bonds as sticks |
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Term
What is a space-filling molecular model? |
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Definition
Atoms fill the space betwen each other to more closely represent our best estimates for how a molecule might appear is scaled to a visible size |
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Term
What are molecular elements? |
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Definition
Occur as molecules (mostly diatomic). |
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Term
What are atomic elements? |
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Definition
Occur as individual atoms |
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