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
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?
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?
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)?
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 ______.
Which of the following factors may be regarded as the main cause of lanthanoid contraction?
The most basic hydroxide from the following is:
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.
What are the physical properties of lanthanoids?
Write two uses of lanthanoids.
Define actinoid contraction.
Which from following is a lanthanoid element?
