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similarities and differences between elements, compounds, and mixtures -…
similarities and differences between elements, compounds, and mixtures
Mixture
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Example:
Sea water is a mixture of salt (sodium chloride) and water.
Air is a mixture of gases like oxygen, nitrogen, and carbon dioxide.
Strength:
Sea water: Sea water is the home for many plants and animals that live in the ocean. Also It is rich in minerals, which can help protect and heal the skin.
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Weakness
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Air can become polluted, which harms health and the environment.
Compound
Meaning: A compound is a substance made when two or more elements are joined together through a chemical bond.
Example
Water (H₂O): A compound made of hydrogen and oxygen.
Carbon dioxide (CO₂): A compound made of carbon and oxygen.
Usage
Water: Used for drinking, cooking, cleaning, and watering plants.
Carbon dioxide : Used in fire extinguishers, and helping plants grow through photosynthesis.
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Weakness
Water:
Can become polluted, making it unsafe to drink.
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Elements
Examples:
Gold (Au): A shiny, yellow metal used for jewelry and coins.
Oxygen (O₂): A gas that we breathe to live.
Usage
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Oxygen:
Essential for breathing, and also used in medical treatments.
Strength:
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Oxygen: Necessary for life, helping organisms breathe and survive.
Weakness:
Gold: Expensive, making it difficult for everyone to afford.
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An element is a pure substance that cannot be broken down into simpler substances. Each element is made of only one type of atom.