Advertisements
Advertisements
Question
Write a short note on the following type of element –
transition elements
Advertisements
Solution
d-block elements (40 elements) which are included in groups 3, 4, 5, 6, 7, 8, 9, 10, 11, and 12 [IB to VII-B and VIII] are called transition elements as most of them exhibit variable valency and are used as catalysts.
APPEARS IN
RELATED QUESTIONS
Write the name from the description.
The family of metals having valency two.
Match column A with column B.
|
Column A |
Column B |
|
(a) Element short by 1 electron in octet |
(i) Transition elements |
|
(b) Highly reactive metals |
(ii) Noble gases |
|
(c) Non-reactive elements |
(iii) Alkali metals |
|
(d) Elements of groups 3 to 12 |
(iv) Alkaline earth metals |
|
(e) Radioactive elements |
(v) Halogens |
|
(f) Elements with 2 electrons in the outermost orbit |
(vi)Actinides |
Name or state following with reference to the element of the first three periods of the periodic table.
The periods which contain the inner transition elements.
If the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p1’then it will
occupy ______ block of the periodic table.
f-block elements are also known as ______.
______ block element is placed at the bottom of the periodic table.
What are the p-block elements
Group 3-12 elements in the modern periodic table are called d block elements.
Match the columns:
| Column ‘A’ | Column ‘B’ |
| Manganese | (a) Metal |
| (b) Non-metal | |
| (c) Transition metal |
Answer the following questions related to the modern periodic table.
How are elements placed around the zig-zag line in the p-block of the periodic table?
