Question

Give Reason - Elements belonging to the same group have the same valency.

Answer 1

Explanation:

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pogbmovic1296

05.09.2019

Chemistry

Secondary School

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Element belonging to the same group have the same valence

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Answer

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Explanation:

Elements belonging to the same group have the same valence electrons .

In the first group elements.

all elements valence shell has 1 electron.

In the second group elements.

all elements valence shell has 2 electron.

In the third group elements.

all elements valence shell has 3 electron.

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Answer 2

Explanation:

1.The valency of an element is determined by the number of valence electrons present in the outer shell of an atom .

2.Since all the elements of a group have the same number of electrons . Therefore, they have same valency.

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