Unit 3 Science Vocab
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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| molecule | A group of atoms bonded together
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| chemical bond | A chemical reaction between two atoms.
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| chemical formula | The formula used to identify an element.
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| compound | A substance that is produced from two or more atoms.
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| element | What is combined to make different elements or products.
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| chemical reaction | When two substances combine to make a new element.
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| reactant | A chemical or substance that changes during a chemical bond to make a new product.
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| product | A new substance that is formed after a chemical reaction.
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| open system | A system where energy can be gained or lost in an environment.
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| closed system | A physical system that does not allow certain types of transfers (such as transfer of mass) in or out of the system.
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| Law of Conservation of Mass | For any system closed to all transfers of matter and energy, the mass of the system must remain constant over time, as system mass cannot change quantity if it is not added or removed.
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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:
arans
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