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| Frage | Antworten |
| Module 6.2 Compounds and Mixtures | By Rahma Abdelgadir |
| Define compounds | Compounds are substances made up of lattices or identical molecules containing two or more types of atoms |
| Name some compounds | 1. Water 2. Salt 3. Vegetable oli 4. Candle wax |
| How many elements is the human body made out of? | 16 elements however 98.5% of the body are made out of 6 elements. |
| What are the six main elements in the human body and their percentage | 1. Oxygen (65%) 2. Carbon (18%) 3. Hydrogen (10%) 4. Nitrogen (3%) 4. Calcium (1.5%) 5. Phosphorus (1%) |
| What happens in compounds | In each compound |
| What are molecular compounds? | s |
| What is the chemical formula? | s |
| Why do you find the number of each atom in a compound? | s |
| Give examples |
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