Question

Name the following
1.A non-metal which forms a polyatomic molecule with more than three atoms.
2.The radical containing one nitrogen and four hydrogen atoms.
3.A Noble gas and an element with stable configuration.
4. the product /s obtained During ' photosynthesis' - which is a chemical change
5.the term involved in the change of state from water to ice ​

Answer 1

Explanation:

1. Sulphur. S8

2. Ammonia. NH4

3. Helium .He

4. Oxygen (O2), Glucose (C6H12O6), Water(H2O).

5. Freezing or solidification.

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Answer 2

Explanation:

1. If the polyatomic anion contain oxygen it is called an oxyanion.

2. NH4 ammonia.

3. Noble gases have a stable electronic configuration as their valence shell is complete.

4.Photosynthesis is the name given to the set of chemical reaction performed by plants to convert energy from the sun into chemical energy in the form of sugar specifically, plants use energy from sunlight to react Carbon dioxide and water to produce sugar (glucose) and oxygen.

5. Water change into ice because of decrease in temperature, in other words water freezes into ice because of decrease in temperature.