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प्रश्न
Write a short note on the following type of element –
normal elements
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उत्तर
Normal elements OR Representative elements:
“Elements of groups 1, 2, 13, 14, 15, 16, 17 which have all inner shells completely filled with electrons. Only outermost shells are incomplete are called normal elements.”
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संबंधित प्रश्न
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.
Two elements having valency 4.
Write a short note on the following type of element –
inner transition elements
What are the s-block elements?
What are the p-block elements
d-block elements are called transition elements.
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?
