Chemical Equations
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| chemical formulas give the ______________ of the elements in a compound | proportions
🗑
|
||||
| shows the arrangement of atoms in space | structural formulas
🗑
|
||||
| lin structural formulas, lines represent ____________ ___________ where a pair of electrons are being shared | covalent bonds
🗑
|
||||
| the number in front of a chemical formula which designates the number of molecules of that compound | coefficient
🗑
|
||||
| 2H₂O means you have _______ molecules of water | two
🗑
|
||||
| when writing chemical equations the part of the left side represents _________ while the right side represents _______________ | reactants, products
🗑
|
||||
| CO₂ + H₂0 --> C₆H₁₂O₆ + O₂ + H₂0 represents a balanced/unbalanced equation | unbalanced
🗑
|
||||
| have the same number of each type of atom on each side | balanced equations
🗑
|
||||
| balanced equations adhere to the law of _____________________ | conservation of Mass
🗑
|
||||
| The Law of Conservation of Mass states: | in chemical reactions can neither be created or destroyed, only rearranged to form new compounds
🗑
|
||||
| 6CO₂ + 12H₂O --> C₆H₁₂O₆ + 6O₂ + 6H₂O represents a balanced/unbalanced | balanced
🗑
|
||||
| what are the 3 rules for balancing equations? | never change subscripts, do NOT add reactants or products, only add coefficients
🗑
|
||||
| <sub>2</sub> | 2
🗑
|
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:
serverge
Popular Biology sets