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प्रश्न
Statement: Elements in a group generally possess similar properties but elements along a period have different properties.
Reason: The difference in electronic configuration makes the element differ in their chemical properties along a period.
पर्याय
Statement is true and reason explains the statement.
Statement is false but the reason is correct.
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उत्तर
Statement is tme and reason explains the statement.
APPEARS IN
संबंधित प्रश्न
Write the name from the description.
The family of metals having valency two.
Write the names from the description.
Non-metals in the third period.
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
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 ______.
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.
Name the blocks with the groups that they consist of.
