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प्रश्न
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?
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उत्तर
The metalloid elements lie along the border of this zig-zag line. All the metals lie on the left side of the zig-zag line while all the non-metals lie on the right side.
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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 two.
Write the names from the description.
Non-metals in the third period.
What is the main characteristic of the last elements in the periods of a periodic table? What is the general name of such elements?
Write a short note on the following type of element –
transition elements
Write a short note on the following type of element –
inner 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.
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.
f-block elements are also known as ______.
What are the s-block elements?
d-block elements are called transition elements.
Assertion (A): Group 2 elements in the modem periodic table are called alkaline earth metals.
Reason (R): The oxides of group 2 elements produce alkaline solutions when they are dissolved in water.
Assertion (A): Noble gases are chemically inert in nature.
Reason (R): Noble gases have stable electronic structures.
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.
Which block elements are known as transition elements?
