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24-10-2021
Chemistry

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5. Describe how the properties of elements in the same group differ to the properties of elements in the same period.

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24-10-2021

Answer:

(a) (i) All the elements of a group have similar chemical properties because they have the same no. of valence electrons in their outermost shell. (ii) All the elements of a period have different chemical properties because they have different no. of valence electrons in their atoms.

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