2325093
Description
Flashcards by Jasmine Evans-Mudie, updated more than 1 year ago
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Created by Jasmine Evans-Mudie
about 9 years ago
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| Question | Answer |
| How are calcium, potassium and sodium different from other etls? | 1) They turn white really quickly in the air. 2) They are really soft so you can cut through them easily. |
| A Compound | Atoms of different elements react and join together |
| Most elements are metals | A few elements are non-Metals |
| He | Helium |
| H | Hydrogen |
| O | Oxygen |
| Li | Lithium |
| Can mixtures contain elements and compounds? | Yes, the air contains compounds like carbon dioxide and elements like oxygen. |
| Metal | Solid, Malleable, Metallic, Shiny, High Density, Conducts Heat, Conducts Electricity |
| Why does orange juice taste sweet and sour at the same time? | It tastes sweet as there are certain types of sugars in it and it tastes sour as there are certain types of acids in it. |
| Non-Metal | Low Density, Dull, Doesn't conduct heat or electricity, Brittle, Soft |
| Element | A single atom |
| Are fire and Water elements? | No |
| Cl | Chlorine |
| Why do radiators work so well. | They conduct heat and electricity really well. |
| N | Nitrogen |
| Why is gold good for jewellery? | Stays shiny and it is a solid |
| Mixture | Has the properties of the original substances. |
| Why is mercury different to most metals? | It is a liquid not a solid |
| Carbon. | There are multiple different types of carbon. They all have completely different arrangements: Diamond, Graphite, Charcoal, Phosphorus. |
| Non-Metals that are gases at room temperature... | Oxygen and Helium |
| Is water a compound or a mixture? | Water is a compound as hydrogen and oxygen have been combined. |
| Difference between elements and compounds.... | An element is just one type of atom whereas compounds are more than one type of atom that have been joined together. |
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