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प्रश्न
Match the columns:
| Column ‘A’ | Column ‘B’ |
| Manganese | (a) Metal |
| (b) Non-metal | |
| (c) Transition metal |
उत्तर
| Column ‘A’ | Column ‘B’ |
| Manganese | (c) Transition metal |
APPEARS IN
संबंधित प्रश्न
Write the name from the description.
The period with electrons in the shells K, L, and M.
Write the name from the description.
The family of metals having valency one.
Write the name from the description.
The metalloids in the second and third periods.
Write the name from the description.
Nonmetals in the third period.
Write the name from the description.
Two elements having valency 4.
What is the main characteristic of the last elements in the periods of a periodic table? What is the general name of such elements?
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 |
Write a short note on the following type of element –
transition elements
Write a short note on the following type of element –
normal elements
State whether true or false. If false, correct the statement.
Group 17 elements are named as Halogens.
d-block elements are otherwise known as ______.
If the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p1’then it will
occupy ______ block of the periodic table.
______ 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.
Answer the following questions related to the modern periodic table.
Name the blocks with the groups that they consist of.
Answer the following questions related to the modern periodic table.
Which block elements are known as transition elements?
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?
