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Definition
Tells the number of electrons an atom gained or lost when forming the compound.
It is seen as a superscript to the right of an element symbol (e.g., FeIII) or in parentheses after the element name [e.g., Fe(III)] usually with no space between the element name and the parentheses. |
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Definition
| An expression which states the number and type of atoms present in a molecule of a substance |
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Definition
| an ion comprised of two or more atoms. |
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Definition
| A compound made up of two elements. |
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Definition
| Small numbers to the lower right of the chemical symbol, representing the number of atoms of that element present in the compound. |
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Definition
| An expression that uses chemical symbols to represent a chemical reaction. |
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Definition
| The substances that undergo a chemical reaction. |
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Definition
| The new substances produced by a chemical reaction. |
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Definition
| A number placed in front of a term in a chemical equation to indicate how many molecules (or atoms) take part in the reaction. |
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Definition
| A chemical reaction in which two substances combine to form a new compound. |
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Definition
| A chemical reaction in which a compound breaks down to form simpler substances. |
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Definition
| Producing a chemical reaction by means of electricity. |
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Term
| single-replacement reaction |
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Definition
| A chemical reaction in which one element in a compound is replaced by another element. |
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| double-replacement reaction |
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Definition
| A chemical reaction in which two compounds swap ingredients, forming two new compounds. |
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Definition
| The name given to the solid that is formed as a result of a precipitation reaction. |
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Definition
| A chemical reaction that absorbs heat, causing the products to be colder than the reactants. |
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Definition
| A chemical reaction which generates heat. |
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