Advertisements
Advertisements
प्रश्न
Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element.
Advertisements
उत्तर
The last element of the actinoid series is lawrencium (Lr), which has an atomic number of 103. Its electronic configuration is [Rn] 5f14 6d1 7s2, and its possible oxidation state is +3.
APPEARS IN
संबंधित प्रश्न
Distinguish between lanthanoid and actinoids.
With reference to structural variability and chemical reactivity, write the differences between lanthanoids and actinoids
Compare the chemistry of the actinoids with that of lanthanoids with reference to oxidation states
Write four points of distinction between Lanthanoids and Actinoids.
What is the position of actinoids in periodic table ?
How would you account the following :
Highest fluoride of Mn is MnF4 whereas the highest oxide is Mn2O7.
How do you prepare:
Actinoid elements show wide range of oxidation states.
Give reasons for the following:
The chemistry of actinoids elements is not so smooth as that of the lanthanoids.
Choose the most correct option.
In which of the following series all the elements are radioactive in nature?
The actinoid contraction is attributed to the ____________.
The number of unpaired f-electrons in ytterbium (Z = 70) is ____________.
The highest oxidation state in plutonium (At. no. = 94) is ______.
Which of the following properties is NOT of actinoids?
Which among the following elements is radioactive?
Which of the following oxidation state is common for all lanthanoids?
There are 14 elements in actinoid series. Which of the following elements does not belong to this series?
Assertion: Actinoids form relatively less stable complexes as compared to lanthanoids.
Reason: Actinoids can utilise their 5f orbitals along with 6d orbitals in bonding but lanthanoids do not use their 4f orbital for bonding.
The incorrect statement among the following is:
What causes actinoid contraction?
