MEDIUM
Earn 100

Why do the transition elements show variable oxidation states?
Important Questions on The d- and f-Block Elements
EASY
Write down the electronic configuration of .

EASY
Which of the following statements is incorrect for pair of elements Zr - Hf?

EASY
Silver atom has completely filled orbitals in its ground state. How can you say that it is a transition element?

EASY
What is the general electronic configuration of -block elements?

EASY
What is Nessler’s reagent?

EASY
The basic character of the transition metal monoxide follows the order

EASY
In which of the following pairs, the outermost electronic configuration will be the same?

MEDIUM
Identify the correct statement(s) from the following:
i) There are four -block series.
ii) Total d-block elements are .
iii) Third d-block series starts with Lanthanum and ends with mercury.
iv) All the d-block members are metals and found in nature.

MEDIUM
The most abundant transition metal in human body is

EASY
The nucleus accepts an orbital electron to yield,

MEDIUM
Number of electrons that Vanadium has in p-orbitals is equal to:

MEDIUM
Which element from the following forms colourless compounds in oxidation state ?

EASY
Identify the element for which electronic configuration in oxidation state is

EASY
How many unpaired electrons are present in a ion?

EASY
The electronic configuration of a transition element in state is Its atomic number is ______

EASY
Match List-I with List-II and select the correct answer using the codes given below:
List-I | List-II | ||
(A) | Electronic configuration of americium. | 1. | Corrosive Sublimate |
(B) | of | 2. | |
(C) | Amphoteric white solid | 3. | |
(D) | Compound used in antiseptic and dressing skin | 4. |

EASY
The outer electronic configuration of Chromium is

EASY
What is the general outer electronic configuration of the coinage metals ?

EASY
What are ‘d’ and ‘f’ block elements?

EASY
Account for the following: are considered as d-block elements but not as transition elements.

