Vocabulary for Chemistry
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 | A reaction in which a new substance is formed with different properties from the original. Ex. Burning Wood
🗑
|
||||
| Products | Those chemicals that are produced from the chemical reaction.
(Ex: A+B->C+D -- C and D are the products.)
🗑
|
||||
| Law of Conservation of Matter (Mass) | States that Matter can neither be created nor destroyed. In a chemical reaction, the mass of the reactants and the products will be equal.
🗑
|
||||
| Exothermic | Exothermic Chemical ReactionOccurs when the chemical reaction releases heat. Products become warmer than the reactants.
🗑
|
||||
| Coeffecient | This number that proeceeds the chemical formula and tells you the number of molecules in the compound
🗑
|
||||
| Subscript | This number follows the element in a chemical formula and tells you the number of atoms for that particular element
🗑
|
||||
| Physical Reaction | A reaction in which the form or appearance of a substance alters without changing its identity. Example: Water Boiling or Ice Melting.
🗑
|
||||
| Molecule | Group of two or more atoms held by a strong bond
🗑
|
||||
| Reactants | Those chemicals that start the chemical reaction.
(Ex: A+B->C+D -- A and B are the reactants.)
🗑
|
||||
| Which number is the coefficient of in the chemical formula 2MgO? | 2
🗑
|
||||
| How many molecules are in the chemical formula 2MgO? | 2
🗑
|
||||
| How many elements are in the chemical formula 2MgO? | 1
🗑
|
||||
| How many total atoms of Mg are in the chemical formula 2MgO? | 2
🗑
|
||||
| What is the subscript of oxygen in 2MgO? | 1
🗑
|
||||
| In the equation 2Mg + O2(subscript) = 2MgO, what is the product? | 2MgO
🗑
|
||||
| Is the equation Mg + O2(subscript) = 2MgO balanced? | No
🗑
|
||||
| Is the equation 2Mg + O2(subscript) = 2MgO balanced? | Yes
🗑
|
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:
amorris6
Popular Chemistry sets