Alloys
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Alloys | a mixture composed of two or more metal or a metal and a non-metal
🗑
|
||||
| Alloys of iron | 0.5% carbon = mild steel, +nickel & chromium=stainless steel
🗑
|
||||
| Why different properties? | when new atoms enter the metallic lattice of layers of metallic ions and the ‘sea’ of delocalised electrons, the layers no longer slide easily
🗑
|
||||
| Making steel | molten iron from blast furnace to oxygen furnace, then Calcium oxide added to neutralise acidic impurities
🗑
|
||||
| Stainless steel | 70% iron, 20% chromium, and 10% nickel (does not rust)
🗑
|
||||
| Brass | 70%copper, 30% zinc (harder than copper, does not corrode)
🗑
|
||||
| Bronze | 95% copper, 5% tin (harder than brass, does not corrode, sonorous)
🗑
|
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:
deleted user
Popular Chemistry sets