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CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
pls solve
Asked by sulaikhasulu393
3rd May 2020,
6:18 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
i need easy notes for chapter group 18 and d block of class 12
Asked by rajputvarsha941
28th August 2019,
6:03 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Why are zinc,cadmium,mercury not considered in transition elements?
Asked by agarrajeev06
10th January 2019,
4:49 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Why the d-block elements are called transition elements?
Asked by Topperlearning User
6th June 2016,
1:36 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Define transition elements.
Asked by Topperlearning User
6th June 2016,
1:36 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Why does Co2+ readily oxidise to Co3+ in complexes?
Asked by Navya Benny
16th December 2015,
4:44 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
1. Why does Sc have only +3 Oxidation State?
Asked by Navya Benny
16th December 2015,
2:50 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Asked by Karishma
1st October 2014,
9:09 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
(a) Draw the structure of XeF2 molecule. (b) Write the outer electronic configuration of Cr atom (Z = 24).
Asked by Topperlearning User
26th June 2014,
10:20 AM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
In Tc ( Z = 43) and Tb( Z = 65) which one is inner transition metal and which one is transition metal and why?
Asked by Topperlearning User
26th June 2014,
10:16 AM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Why the melting points of transition metals are very high and what is the trend of melting point across the period of 3d series?
Asked by Topperlearning User
26th June 2014,
10:07 AM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Silver atom has completely filled d orbitals (4d10) in its ground state. How can you say that it is a transition element?
Asked by Topperlearning User
26th June 2014,
9:58 AM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Why the 4s orbitals fill prior to 3d orbitals?
Asked by Topperlearning User
26th June 2014,
9:46 AM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
What is meant by entropy-driven reaction? How can a reaction with positive changes of enthalpy and entropy be made entropy driven?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Why scandium (Z = 21) is a transition element but zinc (Z = 30) is not?
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Give the names of two series of inner transition metals.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Write down the electronic configuration of Mn.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
Write down the three series of the transition metals.
Asked by Topperlearning User
4th June 2014,
1:23 PM
CBSE - XII Science - Chemistry - The d-Block and f-Block Elements
which of the '3d series' element is not considered as transitional element and why?
Asked by
27th February 2008,
3:08 PM
