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Why do elements in the same group have similar physical and chemical properties?

Why do elements in the same group have similar physical and chemical properties?

Grade:12

3 Answers

Anjali Ahuja
askIITians Faculty 234 Points
9 years ago
Hello Student
Elements in the same group (in the periodic table) have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level. Group 1 elements are reactive metals called the alkali metals. Group 0 elements are unreactive non-metals called the noble gases.
Rabia Lakadia
13 Points
5 years ago
The number of valence electrons in a particular group remains the same and this they have the same physical and chemical properties. 
Kushagra Madhukar
askIITians Faculty 628 Points
3 years ago
Dear student,
Please find the answer to your question.
 
Elements in the same group (in the periodic table) have similar physical and chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level (valence electrons) which are responsible for bonding characteristics.
 
Thanks and regards,
Kushagra

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