9.7k VIEWS. Colds. Can you explain this answer? By using 2n^2, we can figure out no. Answered By 2.6k VIEWS. (i) They do not show variable valency except mercury (ii) Many of their compounds are white. 6.1k SHARES. Zinc is a transition element but it does not show variable valency because: A. it does not form coloured salts B. it has two electrons in the outermost orbit C. it has incomplete d-subshell D. it has completely filled d-subshell 4. Explain. 9.7k SHARES. 9.4k SHARES. 6.1k VIEWS. People who have low levels of zinc appear to benefit most from zinc supplements. Zinc does not show variable valency Because of: 2:28 10.6k LIKES. Zinc is the 30the element in the periodic table. Zinc does not show variable valency Because of: 2:28 10.6k LIKES. For elements that do not combine with hydrogen, the valency is the combining power of the element with another element whose valency is known. MEDIUM. Zinc does not exhibit variable valency due to 1:31 6.3k LIKES. 2.1k VIEWS. 2.1k SHARES. Fe is transition metal and belongs to d-block in periodic table, they have variable oxidation state, the most common oxidation state of Fe is + 2 and + 3 . Zinc deficiency. Which of the following can show variable valency ? These elements have and extra subshell of electrons beneath their valence shells. This kind of deficiency isn't common in the United States. (iii) Their melting and boiling points are very low. 9.4k VIEWS. 2.6k SHARES. | EduRev Chemistry Question is disucussed on EduRev Study Group by 441 Chemistry Students. (b) Unique structure of mercurous ion â Unlike Zn and Cd, Hg exhibits +1 as well as +2 oxidation state. Nov 21,2020 - Zn and Cd metals do not show variable valency because:a)They have only two elements in the outermost subshellsb)Their d-subshells are co mpletely filledc)Their d-subshells are partially filledd)They are relatively soft metalsCorrect answer is option 'B'. Valency may also be defined as the number of electrons that an atom donates or accepts to form the duplet state (i.e., 2 electrons in outermost shell) or octet state (i.e., 8 electrons in outermost shell). View Answer. The atomic number of an element variable valency. It does not show variable valence, which might lead to it being preferred quite simply because it does not introduce the risk of free radical reactions. Thus mercurous ion exists as Hg 2 2+ and not as Hg + Coinage metals such as copper, nickel, and zinc are d-block elements. Zinc is the second most abundant trace element in the human body. Both transition as well as non-transition elements show variable valencies. Solution : Zinc contains completely filled d-orbitals and exhibit stable electronic configuration, therefore it does not easily lose their electrons and hence, does not exhibit variable valency. Which element does not show a valency of 2 2:50 10.1k LIKES. 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