Chem 3.1 Notes
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
Chemical Reaction | The transformation of a substance or substances into one or more new substances is known as a Chemical Reaction
🗑
|
||||
Law of conservation of mass | mass is neither created nor destroyed during ordinary chemical reactions or physical changes
🗑
|
||||
Regardless of where or how a pure chemical compound is prepared, ______________. | It is composed of a fixed proportion of elements
🗑
|
||||
Law of definite proportions | The fact that a chemical compound contains the same elements in exactly the same proportions by mass regardless of the size of the sample or source of the compound is known as the law of definite proportions.
🗑
|
||||
Law of multiple proportions | If two or more different compounds are composed of same elements, then ratio of the mass of the second element combined with a certain mass of the first element is always a ratio of small whole numbers
🗑
|
||||
John Dalton | An English school teacher who proposed explanations of the three aformentioned laws
🗑
|
||||
Dalton's Theory |
🗑
|
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:
1531900713
Popular Chemistry sets