Review of chapter 6
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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| What is Atomic Mass? | The total number of Protons + the number of Neutrons
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| 1 mole = __________ units | 6.022×10(^23)
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| What is a Empirical Formula? | The smallest whole number ratio.
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| What is Mass Percent? | A fraction of one subtance to the total mass of a substance.
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| What is a Molecular Formula? | An expression which states the number and type of atoms present in a molecule of a substance.
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| What is average Atomic Mass? | The weighed average mass of all isotopes of an element.
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| What is Molar Mass? | The Mass of one mole of a substance.
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| What are the substances that are present before a chemical reaction? | Reatants
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| In a chemical equation what does "aq" mean? | Aqueous - mixed with water
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| What is the purpose of balancing equations? | The equation will have the same number of elements before and after the reaction.
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| What are the subsatnces right of the arrow in a chemical equation? | The Products
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| What are some thing that can happen during a chemical reaction? | 1. color change 3. Bubbles form
2. A solid forms 4. Heat or flame is produced
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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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