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The group with valency zero...

The group with valency zero

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A scientist studying reactions of metals and non-metals. He knew group 1 and 2 elements are metals while group 17 elements are non-metals. So, he chooses different elements from group 1 and 2 and group17 what is the valency of magnesium?

The principle valency of 13^th group element is

Give scientific reasons : Elements belonging to the same group have the same valency

What are the valence electrons?

Answer the following questions in one word : To which group in the periodic table does the element carbon belong? Write down the electronic configuration of carbon and deduce the valency of carbon.

The groups satisfying the secondary valencies of a cation in a complex are called

Give the scientific reasons: The valency of neon is zero. Neon is a chemically inert element.

State whether the following statements are True or False: All the elements of a group have the same number of valence electrons.

The number of valence electrons in carbon is …………. .

Anything that influences the valence electrons will affect the chemistry of the element.Which one of the following factors does not affect the valence shell?