Advertisements
Advertisements
Question
Give the electronic configuration of europium (Z = 63).
Advertisements
Solution
Europium (Eu) = [Xe] 4f7 6s2
APPEARS IN
RELATED QUESTIONS
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 ____________.
When lanthanoids (Ln) are heated to about 2800 K with carbon, the carbides with general formula ____________ are obtained.
What is the general molecular formula of the product obtained on reacting lanthanoids (Ln) with nitrogen?
Which is the INCORRECT property of lanthanoids?
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 ____________.
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.
Which among the following lanthanoids has smallest atomic size?
Give the properties of Lanthanoids.
Which one of the lanthanoids given below is the most stable in divalent form?
Lanthanoids and actinoids resemble in ______.
Identify the last element in lanthanoid series.
Give the electronic configuration of gadolinium (Z = 64).
Eu (Z = 63) and Yb (Z = 70) show + 2 oxidation state. Explain.
Write two uses of lanthanoids.
Which from following is a lanthanoid element?
