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Description
Flashcards by Hamza Ahmed, updated more than 1 year ago
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Created by Hamza Ahmed
over 8 years ago
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| Question | Answer |
| Compounds | By: Hamza Ahmed Yr8 |
| What are compounds? | 2 or more different elements put together |
| What are some examples of compunds? | Enter text here... |
| What is sugar made up of? | Carbon, hydrogen, oxygen |
| What is wood made up of? | Carbon, hydrogen, oxygen, nitrogen and other elements |
| What is the human body made up of? | 65% oxygen, 18% carbon, 10% hydrogen, 3% nitrogen, 1.5% calcium and 1% phosphorus |
| What are compound lattices? | Lattices made up of different types of atoms |
| 2 examples of compound lattices | Beach sand and table salt |
| Scientific name for table salt | Sodium chloride |
| Chemical formula of table salt | NaCI Sodium(Na) chlorine(CI) |
| Is NaCI a molecular formula? | No |
| Scientific name for beach sand | Silica or silicon dioxide |
| Chemical formula of beach sand | SiO2 One silicon 2 oxygen |
| What are mixtures? | Elements and compounds together |
| Is air a mixture? | Yes |
| What is it made up of? | Oxygen, nitrogen and carbon dioxide |
| What are gaseous mixtures? | Mixture of 2 or more gases |
| What are liquids that can be mixed together called? | Miscible |
| Alloys | A mixture of a metal with another metal |
| What makes steel? | Carbon added to iron |
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