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प्रश्न
Give the electronic configuration of gadolinium (Z = 64).
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उत्तर
Gadolinium (Gd) = [Xe] 4f7 5d1 6s2
संबंधित प्रश्न
The following electronic configuration of elements shows highest oxidation state
Name the radioactive element in lanthanoids.
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 ____________.
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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.
Give the properties of Lanthanoids.
Lanthanoids and actinoids resemble in ______.
Which of the following factors may be regarded as the main cause of lanthanoid contraction?
Identify the last element in lanthanoid series.
Which element from following has largest atomic radius?
Eu (Z = 63) and Yb (Z = 70) show + 2 oxidation state. Explain.
Define actinoid contraction.
Which from following is a lanthanoid element?
