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प्रश्न
The following electronic configuration of elements shows highest oxidation state
पर्याय
3d54s2
3d54s1
3d104s2
3d104s1
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उत्तर
3d54s2
Explanation:
The oxidation state of an element depends on the number of electrons it can lose, especially from its outermost orbitals (valence electrons).
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संबंधित प्रश्न
Explain the trend in an Oxidation state of 3d elements.
Which of the following statements are FALSE about lanthanoids?
(I) They have lower heat of atomization than transition metals
(II) They are soft metals with silvery white colour and densities of about 7 g cm−3.
(III) They react with water to give the metal hydroxide and oxygen gas.
(IV) They form hydroxides, which are covalent and basic.
The electronic configuration of transition element 'X' in +3 oxidation state is [Ar] 3d4. What is its atomic number?
The only radioactive element among the lanthanoids is ____________.
Which element among the following lanthanoids has the smallest atomic radius?
What is the value of effective magnetic moment found in +3 oxidation state of Chromium (Z = 24)?
The observed electronic configuration of promethium (atomic number 61) is ____________.
Which element from following forms colourless compounds in +2 oxidation state?
Identify the correct decreasing order of ionic radii of lanthanoids.
Which of the following properties is NOT of lanthanoids?
Identify the formula of lanthanoid oxide formed when lanthanoid (Ln) is burnt in oxygen.
Give the properties of Lanthanoids.
Which one of the lanthanoids given below is the most stable in divalent form?
Lanthanoids and actinoids resemble in ______.
The most basic hydroxide from the following is:
Which element from following has largest atomic radius?
What are the physical properties of lanthanoids?
Write two uses of lanthanoids.
Define actinoid contraction.
Which from following is a lanthanoid element?
