Flashcards
Elements and Compounds
Flashcards do conjunto (23)
- 1How 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. - 2A CompoundAtoms of different elements react and join together
- 3Most elements are metalsA few elements are non-Metals
- 4HeHelium
- 5HHydrogen
- 6OOxygen
- 7LiLithium
- 8Can mixtures contain elements and compounds?Yes, the air contains compounds like carbon dioxide and elements like oxygen.
- 9MetalSolid, Malleable, Metallic, Shiny, High Density, Conducts Heat, Conducts Electricity
- 10Why 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.
- 11Non-MetalLow Density, Dull, Doesn't conduct heat or electricity, Brittle, Soft
- 12ElementA single atom
- 13Are fire and Water elements?No
- 14ClChlorine
- 15Why do radiators work so well.They conduct heat and electricity really well.
- 16NNitrogen
- 17Why is gold good for jewellery?Stays shiny and it is a solid
- 18MixtureHas the properties of the original substances.
- 19Why is mercury different to most metals?It is a liquid not a solid
- 20Carbon.There are multiple different types of carbon. They all have completely different arrangements: Diamond, Graphite, Charcoal, Phosphorus.
- 21Non-Metals that are gases at room temperature...Oxygen and Helium
- 22Is water a compound or a mixture?Water is a compound as hydrogen and oxygen have been combined.
- 23Difference 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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- Descrição
- FlashCards sobre Elements and Compounds , criado por Jasmine Evans-Mudie em 20-03-2015.
- Criado por
- Jasmine Evans-Mudie
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