Question

Q1. Write electronic configuration for the following elements:

1. Silicon(Si)
2. Calicium(Ca)
3. Potassium(K)
4. Sodium(Na)
5. Nitrogen(N)

Q2. Fill in the blanks on the basis of Colour Chart and Solubility Chart:

1. All nitrates and acetates are ........ in water.
2. Soluble ferric salts are ........ in colour.
3. Soluble ......... are blue in colour.
4. All bicarbonates are ........ in water.
5. All salts of potassium, sodium and ............ are soluble in water.​

Answer 1

Answer:

answer for question 1

1. 2,8,5

2. 2,8,8,2

3. 2,8,8,1

4. 2,8,1

5. 2,5

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Answer 2

Answer:

ans 1 question

2,8,5

2,8,8,2

2,8,8,1

2,8,1

2,5

and of 2nd

1 soluble

5 ammonium

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