Ch 3 Chemical Reactions
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Chemical Change | is a change that produces one or more substances that differ from the original substances.
🗑
|
||||
| Physical change | is a change in which the appearance of a substance changes but the properties stay the same.
🗑
|
||||
| Chemical formula | A way to write the kinds and numbers of atoms in a compound.
🗑
|
||||
| subscript | A number in a formula that tells the number of atoms of an element in a compound.
🗑
|
||||
| Chemical reaction | a Chemical change in which elements are combined or rearranged.
🗑
|
||||
| Mixture | A combination of substances in which no reaction takes place.
🗑
|
||||
| Dissolve | Breaks apart
🗑
|
||||
| Solute | The substance that is dissolved in a solution. (sugar)
🗑
|
||||
| Solution | Is A mixture in which one substance is dissolved in another.
🗑
|
||||
| Solvent | The substance in which the dissolving occurs in a solution. (water)
🗑
|
||||
| Chemical Equation | A statement that uses symbols, formulas, and numbers to stand for a chemical reaction.
🗑
|
||||
| Product | A substance that is formed in a chemical reaction. On the right side of the yield sign (→ ).
🗑
|
||||
| Balance | To keep the number of atoms the same on both sides of the equation.
🗑
|
||||
| Law of conservation of matter | Matter cannot be created or destroyed in any chemical change.
🗑
|
||||
| Coefficient | A number placed before a formula in a chemical equation.
🗑
|
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.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
mtrampf
Popular Science sets