Chemistry
What are groups in a periodic table. State the property trends in general of elements on moving down in a group of the periodic table. State the characteristics which remain similar on moving down in a group of the periodic table.
Periodic Table
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Answer
Eighteen vertical columns in the periodic table are called groups.
Trends on moving down in a group of the periodic table :
- Number of shells — increases by one
- Metallic character increases
- Electronegativity decrease down a group
- Valence electrons — remains same.
- Chemical properties — remain same [or vary gradually]
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