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they posses variable valency because of extra stablity of (n-1)d orbital...

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Why transition elements show variable valency?

Transition elements contain 2 outermost shells incompleted including the valence shell. But when it reacts with other, it shares,gives or accepts elctrons from its inner shells.


What non-metals has no variable valency Zn Cu Fe N?

Out of the non-metals you listed, nitrogen (N) is the only one that does not exhibit variable valency. Zinc (Zn), copper (Cu), and iron (Fe) can exhibit variable valency in certain compounds.


What does ni and tc perdioc table have in common?

Both are transition metals and have a valency of 2.


Which group of elements can have varying numbers of valence electrons metals noble gases non-metals?

Transition metals


Do transitionn metals have a consistent oxidation number?

transition metals have variable oxidation states


What kind Of Valency do the metals Generally Have?

Metals generally exhibit a valency of +1, +2, or +3, as they tend to lose one or more electrons to achieve a stable electron configuration. Alkali metals (like sodium and potassium) typically have a valency of +1, while alkaline earth metals (like magnesium and calcium) usually have a valency of +2. Transition metals can have multiple valencies, often ranging from +1 to +7, depending on the specific element and its chemical environment.


Why does Scandium have no variable valency?

Scandium has no variable valency because it has a relatively simple electron configuration, with only one electron in its outermost shell (3s² 3p¹). As it primarily exhibits a +3 oxidation state, it tends to lose these three valence electrons without forming other stable oxidation states. The absence of d-electrons in its valence shell limits the ability to form multiple oxidation states, making its chemistry straightforward compared to transition metals, which often exhibit variable valency due to the involvement of d-orbitals.


Having more than one possible ionic charge?

Elements that can have more than one possible ionic charge are called elements with variable valency. This can occur when an element has multiple oxidation states, leading to the formation of ions with different charges in chemical reactions. Transition metals are common examples of elements with variable valency.


How do you take out valency an element?

Group number 1 = Valency 1+group number 2 = valency 2+group number 3 = valency 3+group number 4 = valency 4+ and 4- (some cases) group number 5 = valency 3-group number 6 = valency 2-group number 7 = valency 1-group number 8 = valency 0For the transition elements they will either state Copper (III) Sulphate or it will be like Cu2(SO4)3You can find the valency by the base of sulphate and you know its positive because metals are always positive and are written in the left.Source: I am a GCE O Level Sciences Student (O2)


How do find valency number?

To find the valency number of an element, look at the group number on the periodic table. For main group elements (groups 1, 2, 13-18), the valency is the same as the group number. For transition metals, the valency can vary and is usually determined by the charge of the ion formed by the element.


What is used to name metal elements with variable numbers of valence electrons?

The transition metals.


What is the valency of trioxide?

S = +6 valency O = -2 valency