The valency of elements in a group in modern periodic table -
(a) increased gradually towards the bottom
(b) decreased gradually towards the bottom
(c) remins same in the group
(d) first increases and then decreases
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The valency of elements in a group in the modern periodic table remains the same in the group, so the correct option is (c).
What is the valency of an element:
- In chemistry, valence, sometimes called valency, is a characteristic of an element that establishes how many other atoms of the element each atom can interact with.
- The phrase, which was first used in 1868, is used to represent both the broad capability of a combination of an element and its numerical value.
- All members of the same group have an exact number of electrons in the valence shell, they exhibit the same valency. They all have the same valency since valency depends on valence electrons.
- An element's valency is its capacity for combination. The valency of elements in the same group of the periodic table is the same. How many electrons make up the outer shell of an element determines its valency. Due to the fact that they rarely react with other elements, noble gases have a valency of 0.
Learn more about the valency of an element:
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