Hw
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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| Law of Conservation of Mass | Nothing is created nor destroyed.
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| Physical Change | A change changing an objects appearance.
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| Chemical Change | A change changing chemical properties that form a new substance for an object.
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| Element | Simplest form of matter.
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| Chemical Formula | A representation of a substance using symbols for its constituent elements.
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| Element (Diatomic) Molecule | A molecule that have 2 atoms of the same element.
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| Compound Molecule | A molecule that is made of more than 1 atom.
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| Law of Conservation of Mass | Nothing is created nor destroyed.
🗑
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| Physical Change | A change changing an objects appearance.
🗑
|
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| Chemical Change | A change changing chemical properties that form a new sucstance for an object.
🗑
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| Element | Simplest form of matter.
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| Chemical Formula | A representation of a substance using symbols for its constituent elements
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| Coefficient (in a chemical equation) | It tells the number of molecules.
4H20. Coefficent is 4.
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| Subscript (in a chemical equation) | It tells the number of a certain type of atom in one substance. The small 2 in H20.
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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.
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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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