Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.
-
Upload
shayna-wildman -
Category
Documents
-
view
229 -
download
0
Transcript of Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.
![Page 1: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/1.jpg)
Intermediate 1 Unit 1a Substances
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15
22 23 24 25 26 27
16 17 18 19 20 21
![Page 2: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/2.jpg)
Name the two elements which are liquids at room temperature.
Mercury and bromine
![Page 3: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/3.jpg)
Name an element which is a solid
at room temperature.
Iron, copper, zinc, potassium, tin, gold, silver
and many others.
![Page 4: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/4.jpg)
Name an element which is a gas at room temperature.
Oxygen, nitrogen, fluorine, chlorine,
hydrogen
![Page 5: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/5.jpg)
Are there more or less metals than non-metals?
There is more metals.
![Page 6: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/6.jpg)
Give an example of a metal which was one of the first to be discovered
Gold, silver and copper
![Page 7: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/7.jpg)
Which elements show similar chemical properties?
Elements in the same column
![Page 8: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/8.jpg)
What is a compound?
Different atoms
joined together.
![Page 9: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/9.jpg)
What does the ending -ide tell you about a compound?
2 elements joined together
![Page 10: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/10.jpg)
What does the ending -ate/ite indicate about a compound?
Oxygen is present
![Page 11: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/11.jpg)
What is a mixture?
Two or more substances not joined
together
![Page 12: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/12.jpg)
What is the percentage of nitrogen and oxygen in air?
Nitrogen -80%
Oxygen -20%
![Page 13: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/13.jpg)
What is the test for oxygen?
It relights a glowing splint
![Page 14: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/14.jpg)
Why does air not give a positive test for oxygen?
There is not enough oxygen in the air.
![Page 15: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/15.jpg)
What is a solution?
A solution is formed when a substance dissolves in a
liquid.
![Page 16: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/16.jpg)
What term is used to describe a substance which dissolves in a
liquid?
Soluble
![Page 17: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/17.jpg)
What term is used to describe a substance which does not
dissolves in a liquid?
Insoluble
![Page 18: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/18.jpg)
What is a saturated solution?
A solution in which no more solid can be
dissolved.
![Page 19: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/19.jpg)
Which has more substance dissolved in it a concentrated or
dilute solution?
Concentrated
![Page 20: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/20.jpg)
How is a solution diluted?
Add more liquid(water)
![Page 21: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/21.jpg)
Which gas is dissolved in drinks to make them fizzy?
Carbon dioxide gas
![Page 22: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/22.jpg)
What is the test for carbon dioxide gas?
Turns limewater milky
![Page 23: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/23.jpg)
Why is chlorine dissolved in drinking water?
To kill bacteria(germs)
![Page 24: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/24.jpg)
Why is sodium fluoride dissolved in drinking water
To prevent tooth decay
![Page 25: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/25.jpg)
What is the problem with lead compounds being present in
drinking water?
Harmful to health
![Page 26: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/26.jpg)
What does this hazard warning symbol tell you?
Toxic or poisonous
![Page 27: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/27.jpg)
What does this hazard warning symbol tell you?
Flammable / catches fire easily
![Page 28: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/28.jpg)
What does this hazard warning symbol tell you?
Harmful or irritant
![Page 29: Intermediate 1 Unit 1a Substances 123 4567 89 10 111213 14 15 22 2324 25 26 27 161718192021.](https://reader035.fdocuments.net/reader035/viewer/2022062511/551ac1135503466b6a8b4c98/html5/thumbnails/29.jpg)
Intermediate1 Unit 1a
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15
22 23 24 25 26 27
16 17 18 19 20 21