Question

1) Give any two example of
a) period 2nd and elements
b) Group 2nd and elements
c) S-block elements
d) Non-mental in giro period
e) The halogen which exist as Solid.​

Answer 1

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1. Lithium, Beryllium.

2. Beryllium, Magnesium.

3. Barium (Ba),Radium (Ra).

4. Carbon (C ), Nitrogen (N).

5. Iodine , Astatine .

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Answer 2

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• Lithium , Beryllium
• Beryllium , Magnesium
• Barium , Radium
• Carbon , Nitrogen
• Iodine , Astatine