5262698
Description
Flashcards by Hamza Ahmed, updated more than 1 year ago
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Created by Hamza Ahmed
over 9 years ago
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| Question | Answer |
| What are elements? | Elements are the most basic materials for building the world around you |
| What are atoms? | The building blocks of every substance |
| How many types of atoms are there? | 100 |
| How many combinations can you make with different atoms? | Countless |
| What is used to look at atoms? | STM |
| What does STM stand for? | Scanning Tunnelling Microscope |
| What are elements made up of? | One type of atom |
| What are unique sets of characteristics referred to? | Properties |
| What are some properties of metallic elements? | They tend to be shiny, solid at room temperature, good conductors of heat and electricity, can be hammered and bent into sheets and can be stretched into wires. |
| What are some properties of non-metallic elements? | They tend to be dull, not able to conduct heat or electricity and break or crumble when you bend them. |
| Is helium metallic or non-metallic? | Non-metallic |
| Is chlorine metallic? | No |
| How many elements are there? | 118 |
| How many are naturally formed? | 92 |
| How many are man made? | 26 |
| What is the lightest element? | Hydrogen |
| What is the heaviest element? | Ununoctium |
| What is the periodic table? | A table where all the known elements are displayed |
| What are single atoms called? | Monatomic |
| What are clusters of atoms called? | Molecules |
| What are large grid like structures called? | Lattices |
| How many monatomic elements are there? | 6 |
| What is carbon? | An incredibly versatile element and can be found in many different forms |
| What is graphite? | A form of carbon that has carbon atom sheets stacked on top of another |
| What is diamond? | Diamond is another form of carbon but the carbon atoms in it are tightly bonded to each other in a rigid crystal lattice |
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