Term
|
Definition
| a pure substance made up of only one type of atom |
|
|
Term
| What is the chart called that shows all the elements? |
|
Definition
|
|
Term
| What do the columns in the periodic table show? |
|
Definition
|
|
Term
| What property of metals makes them useful in electrical cables? |
|
Definition
|
|
Term
| What property of metals makes them useful in pots and pans? |
|
Definition
|
|
Term
| What property of metals makes them useful in jewelery? |
|
Definition
|
|
Term
| What property of metals makes them useful to make fence wires? |
|
Definition
|
|
Term
| What property of metals means they can be hammered into shape? |
|
Definition
|
|
Term
| What property of metals makes them useful in building bridges? |
|
Definition
|
|
Term
| What property of metals makes them useful in musical instruments? |
|
Definition
| sonorous (makes a sound when hit) |
|
|
Term
| What is the name for the group 1 metals? |
|
Definition
|
|
Term
| Which group contains the most reactive metals? |
|
Definition
|
|
Term
| How must the alkali metals be stored? |
|
Definition
| they must be stored under oil |
|
|
Term
| What gas do the alkali metals produce when they react with water? |
|
Definition
|
|
Term
| What happens when you test Hydrogen gas with a burning splint? |
|
Definition
| hydrogen gas makes a ‘pop' |
|
|
Term
| Which metal is most reactive calcium magnesium or zinc? |
|
Definition
|
|
Term
| Which metal is least reactive calcium magnesium or zinc? |
|
Definition
|
|
Term
| How can gold be separated from the asnd and rocks it is found in? |
|
Definition
|
|
Term
| Name two chemicals added to the iron oxide in a blast furnace |
|
Definition
| coke (carbon) and limestone |
|
|
Term
| What leaves the top of a blast furnace? |
|
Definition
|
|
Term
| Why is limestone added to the blast furnace? |
|
Definition
| to remove the impurities from the molten iron |
|
|
Term
| What solid waste is made in the blast furnace? |
|
Definition
|
|
Term
|
Definition
| the corrosion of iron (&steel) |
|
|
Term
| What conditions are needed for rusting? |
|
Definition
| when iron is exposed to oxygen (in the air) and water, especially salty water |
|
|
Term
| What is ferroxyl indicator used for? |
|
Definition
|
|
Term
| What colour does ferroxyl indcator turn if rust is present? |
|
Definition
|
|
Term
| Name thre physical barriers that can be used to prevent rusting. |
|
Definition
| painting, greasing / oiling, plastic coating |
|
|
Term
|
Definition
| coating iron in a thin layer of zinc |
|
|
Term
| What is added to iron to make stainless steel? |
|
Definition
|
|
Term
| What is sacrificial protection ? |
|
Definition
| attaching iron to a more reactive metal |
|
|
