Ch. 1 Introduction
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Analytical Chemistry | Study of what and how much of a chemical is in a sample
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| Organic Chemistry | Study of the chemistry of carbon
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| Inorganic Chemistry | Study of elements other thatn carbon
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| Physical Chemistry | Study of energy, chemical reaction rates,properties of gases& physical properties of chemicals
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| Nuclear Chemistry | Study of how elements are transformed into other elements
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| Elements | A single type of atom i.e carbon, hydrogen or iodine
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| Compounds AKA Molecules | Material that contain one or more elements in a specific ration
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| Mixtures | Materials that cannot be written as a precise chemical formula
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| Heterogeneous Mixtures | Have components that can be identified. & if separated by physical methods. Ex. is Beach sand has silicon dioxide, sald, cigarette ashes etc.
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| Homogeneous Mixtures | Cannot have their iddividual components identified & separted by physical methods. Ex. Salt water which can have a lot of small amt of salt but molecules cannot be identified.
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| Physical changes | involved in changing on the form of material. Ex. Freezing water goes from liquid to soldid
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| Chemical changes | involve the formation of new molecules. Ex. yeast, digest sugar form ethanol
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| Chemical changes 2 | Change in smell, color, heat is generated, light or sound is released.
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| Chemical reactions | involves rearranging the elements.
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| Nuclear reactions | Start with a specific element but wind up with another
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
LadyE
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