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प्रश्न
State whether true or false. If false, correct the statement.
Group 17 elements are named as Halogens.
विकल्प
True
False
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उत्तर
Group 17 elements are named as Halogens- True
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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 names from the description.
Non-metals in the third period.
Write a short note on the following type of element –
transition elements
If the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p1’then it will
occupy ______ block of the periodic table.
What are the p-block elements
Group 1 (except hydrogen) elements are called alkali metals.
d-block elements are called transition elements.
Group 3-12 elements in the modern periodic table are called d block elements.
Write the answer to the questions with reference to the periodic table.
- What do (A), (B), (C), and (D) represent? [1]
- Elements are arranged in increasing order of their ______. [1]
- Write the electronic configuration of the first four elements in Group I. [1]
- What change in atomic radius is observed in moving from left to right in a Period? [1]
- Give a reason for (d). [1]
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?
