Question

2. How are metals and nonmetals used? Give five examples each.
3. Describe how the fundamental particles are arranged in the atom.​

Answer 1

Answer:

Explanation:

2) 1. Non metals like oxygen is essential for our life as oxygen is required for respiration.

2. Carbon in the form of CO2 is essential for green plants to carry out photosynthesis.

3. Phosphorus is essential for formation of our bones and teeth.

4. Non metals like phosphorus and nitrogen are used in fertilizers for better growth in plants.

5. Non metal like chlorine is used in water purification process.

6. Non metal like sulphur is used in fire crackers.

3)The fundamental particles are arranged in an atom as follows:

Neutrons and protons are present in the nucleus while electrons revolves around the nucleus.

 

Answer 2

Explanation:

Answer:

Explanation:

2) 1. Non metals like oxygen is essential for our life as oxygen is required for respiration.

2. Carbon in the form of CO2 is essential for green plants to carry out photosynthesis.

3. Phosphorus is essential for formation of our bones and teeth.

6. Non metal like sulphur is used in fire crackers.

3)The fundamental particles are arranged in an atom as follows:

Neutrons and protons are present in the nucleus while electrons revolves around the nucleus.

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