Question

2. Define elements and compounds giving two examples of each.​

Answer 1

Answer:

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Elements: Hydrogen, Carbon, Nitrogen, Sodium, Potassium, Aluminium, Sulphur, Oxygen, Neon, Zinc, Copper, Iron, Mercury, Chlorine, Radium, Gold, Silver…. and many more. You could see the periodic table. Compounds: Water, Sodium Chloride, Zinc Sulphate, Copper oxide, Carbon Monoxide, Silver Nitrate…. etc.

Explanation:

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Answer 2

Answer:

For example, copper, oxygen, iron, hydrogen, chlorine, mercury, etc. Compound is a substance composed of two or more elements, chemically combined with one another in a fixed proportion.They can be broken down into elements by chemical or electrochemical reactions. For example, water, methane, sugar, salt, etc.