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ElemCompMix
Describe elements, compounds, and mixtures
Question | Answer |
---|---|
What is a pure substance? | pure substance is any single type of material |
What is an element? | pure chemical substance consisting of a single type of atom |
What is a compound? | two or more elements chemically combined |
What is a mixture? | combination of two or more substances that are not chemically united |
How are the pure substances and mixtures alike? | they all include one another. ex: to make a compound you have to have more than one element |
How are the pure substances and mixtures different? | they are all combined differently and cant be seperated in different ways; chemically and physical |
Whats an example of an element? | iron |
Whats an example o a compound? | water |
Whats an example of a mixture? | pizza |
How many types of mixtures are there? and what are they? | two; heterogeneous and homogenous |
Which two elements, when combined, form water? and what are these two elements combined called? | hydrogen and oxygen; compound |
In a solution, the substance that does the dissolving is the: | solute |
The ability of a substance to dissolve is its: | solubility |
Mixtures are generally separated by what methods? | Physical |
How do we use mixtures in our everyday lives? | combining different substances together; cooking,etc |