Write two properties of elements belonging to the firsat group of modern periodic table
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1) they all are metals
2) all of them have one valence
2) all of them have one valence
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The properties elements of the first group of periodic table are-
- They are Alkali Metals
- They have valency 1.
- They are very reactive in nature.
The elements are-
- Lithium
- Sodium
- Potassium
- Rabidium
- Caesium
- Francium
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