what is modern periodic law? how do the electronegative nature and valency of elements with respect to hydrogen change in any period.
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the physical and chemical properties of the elements in periodic table depends on atomic this is modern period law.
electronegativity top to bottom decrease and left to right increase.
valency top to bottom remains same left to right increase then decrease.
hope it's help you ✌^_^✌
electronegativity top to bottom decrease and left to right increase.
valency top to bottom remains same left to right increase then decrease.
hope it's help you ✌^_^✌
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1
Answer:
modern periodic law was put forward by mosely
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